Home / 87,979.10-132,001.05-35,426.30

Finding the Fourth Proportional to 87,979.10, 132,001.05 and 35,426.30

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Solution

The fourth proportional to 87,979.10, 132,001.05 and 35,426.30 is: 53,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,979.10 : 132,001.05 = 35,426.30 : x
  2. Step 2: Convert to fraction form
    87,979.10/132,001.05 = 35,426.30/x
  3. Step 3: Cross multiply
    87,979.10x = 132,001.05 × 35,426.30
  4. Step 4: Simplify right side
    87,979.10x = 4,676,308,797.62
  5. Step 5: Solve for x
    x = 4,676,308,797.62/87,979.10
  6. Step 6: Final answer
    x = 53,152.50

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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.