Home / 66,092.28-99,148.76-21,708.92

Finding the Fourth Proportional to 66,092.28, 99,148.76 and 21,708.92

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Solution

The fourth proportional to 66,092.28, 99,148.76 and 21,708.92 is: 32,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,092.28 : 99,148.76 = 21,708.92 : x
  2. Step 2: Convert to fraction form
    66,092.28/99,148.76 = 21,708.92/x
  3. Step 3: Cross multiply
    66,092.28x = 99,148.76 × 21,708.92
  4. Step 4: Simplify right side
    66,092.28x = 2,152,412,498.94
  5. Step 5: Solve for x
    x = 2,152,412,498.94/66,092.28
  6. Step 6: Final answer
    x = 32,566.78

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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.