Home / 96,434.82-132,990.80-66,166.74

Finding the Fourth Proportional to 96,434.82, 132,990.80 and 66,166.74

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Solution

The fourth proportional to 96,434.82, 132,990.80 and 66,166.74 is: 91,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,434.82 : 132,990.80 = 66,166.74 : x
  2. Step 2: Convert to fraction form
    96,434.82/132,990.80 = 66,166.74/x
  3. Step 3: Cross multiply
    96,434.82x = 132,990.80 × 66,166.74
  4. Step 4: Simplify right side
    96,434.82x = 8,799,567,355.16
  5. Step 5: Solve for x
    x = 8,799,567,355.16/96,434.82
  6. Step 6: Final answer
    x = 91,248.86

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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.