Home / 75,306.90-112,945.77-25,381.74

Finding the Fourth Proportional to 75,306.90, 112,945.77 and 25,381.74

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Solution

The fourth proportional to 75,306.90, 112,945.77 and 25,381.74 is: 38,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,306.90 : 112,945.77 = 25,381.74 : x
  2. Step 2: Convert to fraction form
    75,306.90/112,945.77 = 25,381.74/x
  3. Step 3: Cross multiply
    75,306.90x = 112,945.77 × 25,381.74
  4. Step 4: Simplify right side
    75,306.90x = 2,866,760,168.24
  5. Step 5: Solve for x
    x = 2,866,760,168.24/75,306.90
  6. Step 6: Final answer
    x = 38,067.70

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1.5x scale

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.