Home / 87,985.20-132,042.60-35,432.40

Finding the Fourth Proportional to 87,985.20, 132,042.60 and 35,432.40

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Solution

The fourth proportional to 87,985.20, 132,042.60 and 35,432.40 is: 53,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,985.20 : 132,042.60 = 35,432.40 : x
  2. Step 2: Convert to fraction form
    87,985.20/132,042.60 = 35,432.40/x
  3. Step 3: Cross multiply
    87,985.20x = 132,042.60 × 35,432.40
  4. Step 4: Simplify right side
    87,985.20x = 4,678,586,220.24
  5. Step 5: Solve for x
    x = 4,678,586,220.24/87,985.20
  6. Step 6: Final answer
    x = 53,174.70

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1.5x scale

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.