Home / 87,337.80-130,881.60-49,820.28

Finding the Fourth Proportional to 87,337.80, 130,881.60 and 49,820.28

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Solution

The fourth proportional to 87,337.80, 130,881.60 and 49,820.28 is: 74,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,337.80 : 130,881.60 = 49,820.28 : x
  2. Step 2: Convert to fraction form
    87,337.80/130,881.60 = 49,820.28/x
  3. Step 3: Cross multiply
    87,337.80x = 130,881.60 × 49,820.28
  4. Step 4: Simplify right side
    87,337.80x = 6,520,557,958.85
  5. Step 5: Solve for x
    x = 6,520,557,958.85/87,337.80
  6. Step 6: Final answer
    x = 74,659.06

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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.