Home / 91,982.91-126,841.91-76,869.93

Finding the Fourth Proportional to 91,982.91, 126,841.91 and 76,869.93

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Solution

The fourth proportional to 91,982.91, 126,841.91 and 76,869.93 is: 106,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,982.91 : 126,841.91 = 76,869.93 : x
  2. Step 2: Convert to fraction form
    91,982.91/126,841.91 = 76,869.93/x
  3. Step 3: Cross multiply
    91,982.91x = 126,841.91 × 76,869.93
  4. Step 4: Simplify right side
    91,982.91x = 9,750,328,358.42
  5. Step 5: Solve for x
    x = 9,750,328,358.42/91,982.91
  6. Step 6: Final answer
    x = 106,001.52

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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.