Home / 87,342.02-131,000.27-42,956.85

Finding the Fourth Proportional to 87,342.02, 131,000.27 and 42,956.85

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Solution

The fourth proportional to 87,342.02, 131,000.27 and 42,956.85 is: 64,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,342.02 : 131,000.27 = 42,956.85 : x
  2. Step 2: Convert to fraction form
    87,342.02/131,000.27 = 42,956.85/x
  3. Step 3: Cross multiply
    87,342.02x = 131,000.27 × 42,956.85
  4. Step 4: Simplify right side
    87,342.02x = 5,627,358,733.57
  5. Step 5: Solve for x
    x = 5,627,358,733.57/87,342.02
  6. Step 6: Final answer
    x = 64,429.00

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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.