Home / 67,780.83-101,687.35-23,407.95

Finding the Fourth Proportional to 67,780.83, 101,687.35 and 23,407.95

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Solution

The fourth proportional to 67,780.83, 101,687.35 and 23,407.95 is: 35,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,780.83 : 101,687.35 = 23,407.95 : x
  2. Step 2: Convert to fraction form
    67,780.83/101,687.35 = 23,407.95/x
  3. Step 3: Cross multiply
    67,780.83x = 101,687.35 × 23,407.95
  4. Step 4: Simplify right side
    67,780.83x = 2,380,292,404.43
  5. Step 5: Solve for x
    x = 2,380,292,404.43/67,780.83
  6. Step 6: Final answer
    x = 35,117.49

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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.