Home / 67,680.30-101,504.04-28,237.74

Finding the Fourth Proportional to 67,680.30, 101,504.04 and 28,237.74

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Solution

The fourth proportional to 67,680.30, 101,504.04 and 28,237.74 is: 42,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,680.30 : 101,504.04 = 28,237.74 : x
  2. Step 2: Convert to fraction form
    67,680.30/101,504.04 = 28,237.74/x
  3. Step 3: Cross multiply
    67,680.30x = 101,504.04 × 28,237.74
  4. Step 4: Simplify right side
    67,680.30x = 2,866,244,690.47
  5. Step 5: Solve for x
    x = 2,866,244,690.47/67,680.30
  6. Step 6: Final answer
    x = 42,349.76

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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.