Home / 55,116.19-76,062.26-31,242.65

Finding the Fourth Proportional to 55,116.19, 76,062.26 and 31,242.65

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Solution

The fourth proportional to 55,116.19, 76,062.26 and 31,242.65 is: 43,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,116.19 : 76,062.26 = 31,242.65 : x
  2. Step 2: Convert to fraction form
    55,116.19/76,062.26 = 31,242.65/x
  3. Step 3: Cross multiply
    55,116.19x = 76,062.26 × 31,242.65
  4. Step 4: Simplify right side
    55,116.19x = 2,376,386,567.39
  5. Step 5: Solve for x
    x = 2,376,386,567.39/55,116.19
  6. Step 6: Final answer
    x = 43,115.94

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Half scale
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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.