Home / 67,654.66-93,354.33-39,338.50

Finding the Fourth Proportional to 67,654.66, 93,354.33 and 39,338.50

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Solution

The fourth proportional to 67,654.66, 93,354.33 and 39,338.50 is: 54,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,654.66 : 93,354.33 = 39,338.50 : x
  2. Step 2: Convert to fraction form
    67,654.66/93,354.33 = 39,338.50/x
  3. Step 3: Cross multiply
    67,654.66x = 93,354.33 × 39,338.50
  4. Step 4: Simplify right side
    67,654.66x = 3,672,419,310.71
  5. Step 5: Solve for x
    x = 3,672,419,310.71/67,654.66
  6. Step 6: Final answer
    x = 54,281.84

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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.