Home / 108,371.10-149,545.17-60,616.20

Finding the Fourth Proportional to 108,371.10, 149,545.17 and 60,616.20

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Solution

The fourth proportional to 108,371.10, 149,545.17 and 60,616.20 is: 83,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,371.10 : 149,545.17 = 60,616.20 : x
  2. Step 2: Convert to fraction form
    108,371.10/149,545.17 = 60,616.20/x
  3. Step 3: Cross multiply
    108,371.10x = 149,545.17 × 60,616.20
  4. Step 4: Simplify right side
    108,371.10x = 9,064,859,933.75
  5. Step 5: Solve for x
    x = 9,064,859,933.75/108,371.10
  6. Step 6: Final answer
    x = 83,646.47

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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.