Home / 75,306.45-112,953.56-25,385.48

Finding the Fourth Proportional to 75,306.45, 112,953.56 and 25,385.48

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Solution

The fourth proportional to 75,306.45, 112,953.56 and 25,385.48 is: 38,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,306.45 : 112,953.56 = 25,385.48 : x
  2. Step 2: Convert to fraction form
    75,306.45/112,953.56 = 25,385.48/x
  3. Step 3: Cross multiply
    75,306.45x = 112,953.56 × 25,385.48
  4. Step 4: Simplify right side
    75,306.45x = 2,867,379,646.61
  5. Step 5: Solve for x
    x = 2,867,379,646.61/75,306.45
  6. Step 6: Final answer
    x = 38,076.15

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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.