Home / 71,737.23-99,001.04-39,906.75

Finding the Fourth Proportional to 71,737.23, 99,001.04 and 39,906.75

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Solution

The fourth proportional to 71,737.23, 99,001.04 and 39,906.75 is: 55,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,737.23 : 99,001.04 = 39,906.75 : x
  2. Step 2: Convert to fraction form
    71,737.23/99,001.04 = 39,906.75/x
  3. Step 3: Cross multiply
    71,737.23x = 99,001.04 × 39,906.75
  4. Step 4: Simplify right side
    71,737.23x = 3,950,809,553.49
  5. Step 5: Solve for x
    x = 3,950,809,553.49/71,737.23
  6. Step 6: Final answer
    x = 55,073.35

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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.