Home / 87,599.91-131,398.02-28,435.50

Finding the Fourth Proportional to 87,599.91, 131,398.02 and 28,435.50

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Solution

The fourth proportional to 87,599.91, 131,398.02 and 28,435.50 is: 42,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,599.91 : 131,398.02 = 28,435.50 : x
  2. Step 2: Convert to fraction form
    87,599.91/131,398.02 = 28,435.50/x
  3. Step 3: Cross multiply
    87,599.91x = 131,398.02 × 28,435.50
  4. Step 4: Simplify right side
    87,599.91x = 3,736,368,397.71
  5. Step 5: Solve for x
    x = 3,736,368,397.71/87,599.91
  6. Step 6: Final answer
    x = 42,652.65

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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.