Home / 113,388.33-156,470.24-62,399.75

Finding the Fourth Proportional to 113,388.33, 156,470.24 and 62,399.75

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Solution

The fourth proportional to 113,388.33, 156,470.24 and 62,399.75 is: 86,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,388.33 : 156,470.24 = 62,399.75 : x
  2. Step 2: Convert to fraction form
    113,388.33/156,470.24 = 62,399.75/x
  3. Step 3: Cross multiply
    113,388.33x = 156,470.24 × 62,399.75
  4. Step 4: Simplify right side
    113,388.33x = 9,763,703,672.16
  5. Step 5: Solve for x
    x = 9,763,703,672.16/113,388.33
  6. Step 6: Final answer
    x = 86,108.54

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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.