Home / 67,115.50-100,454.19-49,341.45

Finding the Fourth Proportional to 67,115.50, 100,454.19 and 49,341.45

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Solution

The fourth proportional to 67,115.50, 100,454.19 and 49,341.45 is: 73,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115.50 : 100,454.19 = 49,341.45 : x
  2. Step 2: Convert to fraction form
    67,115.50/100,454.19 = 49,341.45/x
  3. Step 3: Cross multiply
    67,115.50x = 100,454.19 × 49,341.45
  4. Step 4: Simplify right side
    67,115.50x = 4,956,555,862.39
  5. Step 5: Solve for x
    x = 4,956,555,862.39/67,115.50
  6. Step 6: Final answer
    x = 73,851.13

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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.