Home / 67,773.38-101,625.51-28,319.90

Finding the Fourth Proportional to 67,773.38, 101,625.51 and 28,319.90

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Solution

The fourth proportional to 67,773.38, 101,625.51 and 28,319.90 is: 42,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,773.38 : 101,625.51 = 28,319.90 : x
  2. Step 2: Convert to fraction form
    67,773.38/101,625.51 = 28,319.90/x
  3. Step 3: Cross multiply
    67,773.38x = 101,625.51 × 28,319.90
  4. Step 4: Simplify right side
    67,773.38x = 2,878,024,280.65
  5. Step 5: Solve for x
    x = 2,878,024,280.65/67,773.38
  6. Step 6: Final answer
    x = 42,465.41

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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.