Home / 90,577.52-125,000.89-50,291.29

Finding the Fourth Proportional to 90,577.52, 125,000.89 and 50,291.29

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Solution

The fourth proportional to 90,577.52, 125,000.89 and 50,291.29 is: 69,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,577.52 : 125,000.89 = 50,291.29 : x
  2. Step 2: Convert to fraction form
    90,577.52/125,000.89 = 50,291.29/x
  3. Step 3: Cross multiply
    90,577.52x = 125,000.89 × 50,291.29
  4. Step 4: Simplify right side
    90,577.52x = 6,286,456,009.25
  5. Step 5: Solve for x
    x = 6,286,456,009.25/90,577.52
  6. Step 6: Final answer
    x = 69,404.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.