Home / 71,194.53-98,243.64-39,359.10

Finding the Fourth Proportional to 71,194.53, 98,243.64 and 39,359.10

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Solution

The fourth proportional to 71,194.53, 98,243.64 and 39,359.10 is: 54,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,194.53 : 98,243.64 = 39,359.10 : x
  2. Step 2: Convert to fraction form
    71,194.53/98,243.64 = 39,359.10/x
  3. Step 3: Cross multiply
    71,194.53x = 98,243.64 × 39,359.10
  4. Step 4: Simplify right side
    71,194.53x = 3,866,781,251.12
  5. Step 5: Solve for x
    x = 3,866,781,251.12/71,194.53
  6. Step 6: Final answer
    x = 54,312.90

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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.