Home / 87,318.77-131,002.32-34,765.16

Finding the Fourth Proportional to 87,318.77, 131,002.32 and 34,765.16

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Solution

The fourth proportional to 87,318.77, 131,002.32 and 34,765.16 is: 52,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,318.77 : 131,002.32 = 34,765.16 : x
  2. Step 2: Convert to fraction form
    87,318.77/131,002.32 = 34,765.16/x
  3. Step 3: Cross multiply
    87,318.77x = 131,002.32 × 34,765.16
  4. Step 4: Simplify right side
    87,318.77x = 4,554,315,960.16
  5. Step 5: Solve for x
    x = 4,554,315,960.16/87,318.77
  6. Step 6: Final answer
    x = 52,157.36

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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.