Home / 88,668.18-133,001.28-25,489.80

Finding the Fourth Proportional to 88,668.18, 133,001.28 and 25,489.80

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Solution

The fourth proportional to 88,668.18, 133,001.28 and 25,489.80 is: 38,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,668.18 : 133,001.28 = 25,489.80 : x
  2. Step 2: Convert to fraction form
    88,668.18/133,001.28 = 25,489.80/x
  3. Step 3: Cross multiply
    88,668.18x = 133,001.28 × 25,489.80
  4. Step 4: Simplify right side
    88,668.18x = 3,390,176,026.94
  5. Step 5: Solve for x
    x = 3,390,176,026.94/88,668.18
  6. Step 6: Final answer
    x = 38,234.42

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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.