Home / 79,449.12-118,940.40-62,691.84

Finding the Fourth Proportional to 79,449.12, 118,940.40 and 62,691.84

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Solution

The fourth proportional to 79,449.12, 118,940.40 and 62,691.84 is: 93,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,449.12 : 118,940.40 = 62,691.84 : x
  2. Step 2: Convert to fraction form
    79,449.12/118,940.40 = 62,691.84/x
  3. Step 3: Cross multiply
    79,449.12x = 118,940.40 × 62,691.84
  4. Step 4: Simplify right side
    79,449.12x = 7,456,592,526.34
  5. Step 5: Solve for x
    x = 7,456,592,526.34/79,449.12
  6. Step 6: Final answer
    x = 93,853.68

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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.