Home / 90,588.61-125,008.11-50,304.95

Finding the Fourth Proportional to 90,588.61, 125,008.11 and 50,304.95

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Solution

The fourth proportional to 90,588.61, 125,008.11 and 50,304.95 is: 69,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,588.61 : 125,008.11 = 50,304.95 : x
  2. Step 2: Convert to fraction form
    90,588.61/125,008.11 = 50,304.95/x
  3. Step 3: Cross multiply
    90,588.61x = 125,008.11 × 50,304.95
  4. Step 4: Simplify right side
    90,588.61x = 6,288,526,566.88
  5. Step 5: Solve for x
    x = 6,288,526,566.88/90,588.61
  6. Step 6: Final answer
    x = 69,418.51

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1.5x scale

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.