Home / 87,776.73-131,586.03-31,577.32

Finding the Fourth Proportional to 87,776.73, 131,586.03 and 31,577.32

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Solution

The fourth proportional to 87,776.73, 131,586.03 and 31,577.32 is: 47,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,776.73 : 131,586.03 = 31,577.32 : x
  2. Step 2: Convert to fraction form
    87,776.73/131,586.03 = 31,577.32/x
  3. Step 3: Cross multiply
    87,776.73x = 131,586.03 × 31,577.32
  4. Step 4: Simplify right side
    87,776.73x = 4,155,134,341.32
  5. Step 5: Solve for x
    x = 4,155,134,341.32/87,776.73
  6. Step 6: Final answer
    x = 47,337.54

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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.