Home / 61,969.19-85,489.56-38,087.15

Finding the Fourth Proportional to 61,969.19, 85,489.56 and 38,087.15

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Solution

The fourth proportional to 61,969.19, 85,489.56 and 38,087.15 is: 52,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969.19 : 85,489.56 = 38,087.15 : x
  2. Step 2: Convert to fraction form
    61,969.19/85,489.56 = 38,087.15/x
  3. Step 3: Cross multiply
    61,969.19x = 85,489.56 × 38,087.15
  4. Step 4: Simplify right side
    61,969.19x = 3,256,053,267.71
  5. Step 5: Solve for x
    x = 3,256,053,267.71/61,969.19
  6. Step 6: Final answer
    x = 52,543.10

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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.