Home / 87,479.76-131,283.36-34,904.32

Finding the Fourth Proportional to 87,479.76, 131,283.36 and 34,904.32

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Solution

The fourth proportional to 87,479.76, 131,283.36 and 34,904.32 is: 52,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,479.76 : 131,283.36 = 34,904.32 : x
  2. Step 2: Convert to fraction form
    87,479.76/131,283.36 = 34,904.32/x
  3. Step 3: Cross multiply
    87,479.76x = 131,283.36 × 34,904.32
  4. Step 4: Simplify right side
    87,479.76x = 4,582,356,408.12
  5. Step 5: Solve for x
    x = 4,582,356,408.12/87,479.76
  6. Step 6: Final answer
    x = 52,381.90

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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.