Home / 117,752.31-162,494.76-66,769.92

Finding the Fourth Proportional to 117,752.31, 162,494.76 and 66,769.92

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Solution

The fourth proportional to 117,752.31, 162,494.76 and 66,769.92 is: 92,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,752.31 : 162,494.76 = 66,769.92 : x
  2. Step 2: Convert to fraction form
    117,752.31/162,494.76 = 66,769.92/x
  3. Step 3: Cross multiply
    117,752.31x = 162,494.76 × 66,769.92
  4. Step 4: Simplify right side
    117,752.31x = 10,849,762,125.62
  5. Step 5: Solve for x
    x = 10,849,762,125.62/117,752.31
  6. Step 6: Final answer
    x = 92,140.55

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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.