Home / 67,159.72-92,684.10-38,874.52

Finding the Fourth Proportional to 67,159.72, 92,684.10 and 38,874.52

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Solution

The fourth proportional to 67,159.72, 92,684.10 and 38,874.52 is: 53,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,159.72 : 92,684.10 = 38,874.52 : x
  2. Step 2: Convert to fraction form
    67,159.72/92,684.10 = 38,874.52/x
  3. Step 3: Cross multiply
    67,159.72x = 92,684.10 × 38,874.52
  4. Step 4: Simplify right side
    67,159.72x = 3,603,049,899.13
  5. Step 5: Solve for x
    x = 3,603,049,899.13/67,159.72
  6. Step 6: Final answer
    x = 53,648.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.