Home / 104,747.49-144,549.18-57,000.96

Finding the Fourth Proportional to 104,747.49, 144,549.18 and 57,000.96

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Solution

The fourth proportional to 104,747.49, 144,549.18 and 57,000.96 is: 78,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,747.49 : 144,549.18 = 57,000.96 : x
  2. Step 2: Convert to fraction form
    104,747.49/144,549.18 = 57,000.96/x
  3. Step 3: Cross multiply
    104,747.49x = 144,549.18 × 57,000.96
  4. Step 4: Simplify right side
    104,747.49x = 8,239,442,027.21
  5. Step 5: Solve for x
    x = 8,239,442,027.21/104,747.49
  6. Step 6: Final answer
    x = 78,660.04

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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.