Home / 71,545.17-98,735.36-39,714.10

Finding the Fourth Proportional to 71,545.17, 98,735.36 and 39,714.10

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Solution

The fourth proportional to 71,545.17, 98,735.36 and 39,714.10 is: 54,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,545.17 : 98,735.36 = 39,714.10 : x
  2. Step 2: Convert to fraction form
    71,545.17/98,735.36 = 39,714.10/x
  3. Step 3: Cross multiply
    71,545.17x = 98,735.36 × 39,714.10
  4. Step 4: Simplify right side
    71,545.17x = 3,921,185,515.17
  5. Step 5: Solve for x
    x = 3,921,185,515.17/71,545.17
  6. Step 6: Final answer
    x = 54,807.13

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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.