Home / 67,129.06-100,630.70-22,724.74

Finding the Fourth Proportional to 67,129.06, 100,630.70 and 22,724.74

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Solution

The fourth proportional to 67,129.06, 100,630.70 and 22,724.74 is: 34,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129.06 : 100,630.70 = 22,724.74 : x
  2. Step 2: Convert to fraction form
    67,129.06/100,630.70 = 22,724.74/x
  3. Step 3: Cross multiply
    67,129.06x = 100,630.70 × 22,724.74
  4. Step 4: Simplify right side
    67,129.06x = 2,286,806,493.52
  5. Step 5: Solve for x
    x = 2,286,806,493.52/67,129.06
  6. Step 6: Final answer
    x = 34,065.82

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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.