Home / 87,662.19-131,507.12-28,484.04

Finding the Fourth Proportional to 87,662.19, 131,507.12 and 28,484.04

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Solution

The fourth proportional to 87,662.19, 131,507.12 and 28,484.04 is: 42,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,662.19 : 131,507.12 = 28,484.04 : x
  2. Step 2: Convert to fraction form
    87,662.19/131,507.12 = 28,484.04/x
  3. Step 3: Cross multiply
    87,662.19x = 131,507.12 × 28,484.04
  4. Step 4: Simplify right side
    87,662.19x = 3,745,854,066.36
  5. Step 5: Solve for x
    x = 3,745,854,066.36/87,662.19
  6. Step 6: Final answer
    x = 42,730.56

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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.