Home / 108,669.78-149,964.20-60,923.14

Finding the Fourth Proportional to 108,669.78, 149,964.20 and 60,923.14

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Solution

The fourth proportional to 108,669.78, 149,964.20 and 60,923.14 is: 84,073.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,669.78 : 149,964.20 = 60,923.14 : x
  2. Step 2: Convert to fraction form
    108,669.78/149,964.20 = 60,923.14/x
  3. Step 3: Cross multiply
    108,669.78x = 149,964.20 × 60,923.14
  4. Step 4: Simplify right side
    108,669.78x = 9,136,289,951.59
  5. Step 5: Solve for x
    x = 9,136,289,951.59/108,669.78
  6. Step 6: Final answer
    x = 84,073.88

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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.