Home / 52,321.12-78,456.48-17,247.04

Finding the Fourth Proportional to 52,321.12, 78,456.48 and 17,247.04

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Solution

The fourth proportional to 52,321.12, 78,456.48 and 17,247.04 is: 25,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,321.12 : 78,456.48 = 17,247.04 : x
  2. Step 2: Convert to fraction form
    52,321.12/78,456.48 = 17,247.04/x
  3. Step 3: Cross multiply
    52,321.12x = 78,456.48 × 17,247.04
  4. Step 4: Simplify right side
    52,321.12x = 1,353,142,048.82
  5. Step 5: Solve for x
    x = 1,353,142,048.82/52,321.12
  6. Step 6: Final answer
    x = 25,862.25

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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.