Home / 87,977.82-131,985.18-38,065.01

Finding the Fourth Proportional to 87,977.82, 131,985.18 and 38,065.01

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Solution

The fourth proportional to 87,977.82, 131,985.18 and 38,065.01 is: 57,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,977.82 : 131,985.18 = 38,065.01 : x
  2. Step 2: Convert to fraction form
    87,977.82/131,985.18 = 38,065.01/x
  3. Step 3: Cross multiply
    87,977.82x = 131,985.18 × 38,065.01
  4. Step 4: Simplify right side
    87,977.82x = 5,024,017,810.84
  5. Step 5: Solve for x
    x = 5,024,017,810.84/87,977.82
  6. Step 6: Final answer
    x = 57,105.50

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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.