Home / 67,439.43-93,101.39-49,269.75

Finding the Fourth Proportional to 67,439.43, 93,101.39 and 49,269.75

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Solution

The fourth proportional to 67,439.43, 93,101.39 and 49,269.75 is: 68,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,439.43 : 93,101.39 = 49,269.75 : x
  2. Step 2: Convert to fraction form
    67,439.43/93,101.39 = 49,269.75/x
  3. Step 3: Cross multiply
    67,439.43x = 93,101.39 × 49,269.75
  4. Step 4: Simplify right side
    67,439.43x = 4,587,081,963.60
  5. Step 5: Solve for x
    x = 4,587,081,963.60/67,439.43
  6. Step 6: Final answer
    x = 68,017.80

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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.