Home / 67,753.26-93,505.19-39,078.05

Finding the Fourth Proportional to 67,753.26, 93,505.19 and 39,078.05

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Solution

The fourth proportional to 67,753.26, 93,505.19 and 39,078.05 is: 53,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,753.26 : 93,505.19 = 39,078.05 : x
  2. Step 2: Convert to fraction form
    67,753.26/93,505.19 = 39,078.05/x
  3. Step 3: Cross multiply
    67,753.26x = 93,505.19 × 39,078.05
  4. Step 4: Simplify right side
    67,753.26x = 3,653,999,827.16
  5. Step 5: Solve for x
    x = 3,653,999,827.16/67,753.26
  6. Step 6: Final answer
    x = 53,930.98

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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.