Home / 53,009.88-73,154.19-28,810.84

Finding the Fourth Proportional to 53,009.88, 73,154.19 and 28,810.84

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Solution

The fourth proportional to 53,009.88, 73,154.19 and 28,810.84 is: 39,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.88 : 73,154.19 = 28,810.84 : x
  2. Step 2: Convert to fraction form
    53,009.88/73,154.19 = 28,810.84/x
  3. Step 3: Cross multiply
    53,009.88x = 73,154.19 × 28,810.84
  4. Step 4: Simplify right side
    53,009.88x = 2,107,633,663.42
  5. Step 5: Solve for x
    x = 2,107,633,663.42/53,009.88
  6. Step 6: Final answer
    x = 39,759.26

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.