Home / 87,428.08-131,205.30-34,807.24

Finding the Fourth Proportional to 87,428.08, 131,205.30 and 34,807.24

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Solution

The fourth proportional to 87,428.08, 131,205.30 and 34,807.24 is: 52,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,428.08 : 131,205.30 = 34,807.24 : x
  2. Step 2: Convert to fraction form
    87,428.08/131,205.30 = 34,807.24/x
  3. Step 3: Cross multiply
    87,428.08x = 131,205.30 × 34,807.24
  4. Step 4: Simplify right side
    87,428.08x = 4,566,894,366.37
  5. Step 5: Solve for x
    x = 4,566,894,366.37/87,428.08
  6. Step 6: Final answer
    x = 52,236.01

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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.