Home / 87,279.52-130,907.76-34,675.36

Finding the Fourth Proportional to 87,279.52, 130,907.76 and 34,675.36

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Solution

The fourth proportional to 87,279.52, 130,907.76 and 34,675.36 is: 52,008.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,279.52 : 130,907.76 = 34,675.36 : x
  2. Step 2: Convert to fraction form
    87,279.52/130,907.76 = 34,675.36/x
  3. Step 3: Cross multiply
    87,279.52x = 130,907.76 × 34,675.36
  4. Step 4: Simplify right side
    87,279.52x = 4,539,273,704.79
  5. Step 5: Solve for x
    x = 4,539,273,704.79/87,279.52
  6. Step 6: Final answer
    x = 52,008.46

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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.