Home / 87,664.80-131,432.40-48,266.40

Finding the Fourth Proportional to 87,664.80, 131,432.40 and 48,266.40

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Solution

The fourth proportional to 87,664.80, 131,432.40 and 48,266.40 is: 72,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664.80 : 131,432.40 = 48,266.40 : x
  2. Step 2: Convert to fraction form
    87,664.80/131,432.40 = 48,266.40/x
  3. Step 3: Cross multiply
    87,664.80x = 131,432.40 × 48,266.40
  4. Step 4: Simplify right side
    87,664.80x = 6,343,768,791.36
  5. Step 5: Solve for x
    x = 6,343,768,791.36/87,664.80
  6. Step 6: Final answer
    x = 72,363.92

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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.