Home / 87,774.33-131,630.35-31,599.35

Finding the Fourth Proportional to 87,774.33, 131,630.35 and 31,599.35

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Solution

The fourth proportional to 87,774.33, 131,630.35 and 31,599.35 is: 47,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,774.33 : 131,630.35 = 31,599.35 : x
  2. Step 2: Convert to fraction form
    87,774.33/131,630.35 = 31,599.35/x
  3. Step 3: Cross multiply
    87,774.33x = 131,630.35 × 31,599.35
  4. Step 4: Simplify right side
    87,774.33x = 4,159,433,813.00
  5. Step 5: Solve for x
    x = 4,159,433,813.00/87,774.33
  6. Step 6: Final answer
    x = 47,387.82

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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.