Home / 87,977.77-131,985.10-38,064.96

Finding the Fourth Proportional to 87,977.77, 131,985.10 and 38,064.96

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Solution

The fourth proportional to 87,977.77, 131,985.10 and 38,064.96 is: 57,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,977.77 : 131,985.10 = 38,064.96 : x
  2. Step 2: Convert to fraction form
    87,977.77/131,985.10 = 38,064.96/x
  3. Step 3: Cross multiply
    87,977.77x = 131,985.10 × 38,064.96
  4. Step 4: Simplify right side
    87,977.77x = 5,024,007,552.10
  5. Step 5: Solve for x
    x = 5,024,007,552.10/87,977.77
  6. Step 6: Final answer
    x = 57,105.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.