Home / 72,527.50-108,791.25-25,782.22

Finding the Fourth Proportional to 72,527.50, 108,791.25 and 25,782.22

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Solution

The fourth proportional to 72,527.50, 108,791.25 and 25,782.22 is: 38,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,527.50 : 108,791.25 = 25,782.22 : x
  2. Step 2: Convert to fraction form
    72,527.50/108,791.25 = 25,782.22/x
  3. Step 3: Cross multiply
    72,527.50x = 108,791.25 × 25,782.22
  4. Step 4: Simplify right side
    72,527.50x = 2,804,879,941.58
  5. Step 5: Solve for x
    x = 2,804,879,941.58/72,527.50
  6. Step 6: Final answer
    x = 38,673.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.