Home / 67,327.20-101,000.52-20,583.72

Finding the Fourth Proportional to 67,327.20, 101,000.52 and 20,583.72

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Solution

The fourth proportional to 67,327.20, 101,000.52 and 20,583.72 is: 30,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,327.20 : 101,000.52 = 20,583.72 : x
  2. Step 2: Convert to fraction form
    67,327.20/101,000.52 = 20,583.72/x
  3. Step 3: Cross multiply
    67,327.20x = 101,000.52 × 20,583.72
  4. Step 4: Simplify right side
    67,327.20x = 2,078,966,423.53
  5. Step 5: Solve for x
    x = 2,078,966,423.53/67,327.20
  6. Step 6: Final answer
    x = 30,878.55

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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.