Home / 113,517.24-156,647.70-63,213

Finding the Fourth Proportional to 113,517.24, 156,647.70 and 63,213

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Solution

The fourth proportional to 113,517.24, 156,647.70 and 63,213 is: 87,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,517.24 : 156,647.70 = 63,213 : x
  2. Step 2: Convert to fraction form
    113,517.24/156,647.70 = 63,213/x
  3. Step 3: Cross multiply
    113,517.24x = 156,647.70 × 63,213
  4. Step 4: Simplify right side
    113,517.24x = 9,902,171,060.10
  5. Step 5: Solve for x
    x = 9,902,171,060.10/113,517.24
  6. Step 6: Final answer
    x = 87,230.55

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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.