Home / 85,174.76-127,675.10-29,725.16

Finding the Fourth Proportional to 85,174.76, 127,675.10 and 29,725.16

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Solution

The fourth proportional to 85,174.76, 127,675.10 and 29,725.16 is: 44,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,174.76 : 127,675.10 = 29,725.16 : x
  2. Step 2: Convert to fraction form
    85,174.76/127,675.10 = 29,725.16/x
  3. Step 3: Cross multiply
    85,174.76x = 127,675.10 × 29,725.16
  4. Step 4: Simplify right side
    85,174.76x = 3,795,162,775.52
  5. Step 5: Solve for x
    x = 3,795,162,775.52/85,174.76
  6. Step 6: Final answer
    x = 44,557.36

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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.