Home / 87,625.70-131,438.55-52,547.30

Finding the Fourth Proportional to 87,625.70, 131,438.55 and 52,547.30

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Solution

The fourth proportional to 87,625.70, 131,438.55 and 52,547.30 is: 78,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,625.70 : 131,438.55 = 52,547.30 : x
  2. Step 2: Convert to fraction form
    87,625.70/131,438.55 = 52,547.30/x
  3. Step 3: Cross multiply
    87,625.70x = 131,438.55 × 52,547.30
  4. Step 4: Simplify right side
    87,625.70x = 6,906,740,918.42
  5. Step 5: Solve for x
    x = 6,906,740,918.42/87,625.70
  6. Step 6: Final answer
    x = 78,820.95

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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.