Home / 84,666.10-126,990.24-34,751.48

Finding the Fourth Proportional to 84,666.10, 126,990.24 and 34,751.48

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Solution

The fourth proportional to 84,666.10, 126,990.24 and 34,751.48 is: 52,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,666.10 : 126,990.24 = 34,751.48 : x
  2. Step 2: Convert to fraction form
    84,666.10/126,990.24 = 34,751.48/x
  3. Step 3: Cross multiply
    84,666.10x = 126,990.24 × 34,751.48
  4. Step 4: Simplify right side
    84,666.10x = 4,413,098,785.56
  5. Step 5: Solve for x
    x = 4,413,098,785.56/84,666.10
  6. Step 6: Final answer
    x = 52,123.56

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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.