Home / 104,663.48-156,883.38-76,132.04

Finding the Fourth Proportional to 104,663.48, 156,883.38 and 76,132.04

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Solution

The fourth proportional to 104,663.48, 156,883.38 and 76,132.04 is: 114,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,663.48 : 156,883.38 = 76,132.04 : x
  2. Step 2: Convert to fraction form
    104,663.48/156,883.38 = 76,132.04/x
  3. Step 3: Cross multiply
    104,663.48x = 156,883.38 × 76,132.04
  4. Step 4: Simplify right side
    104,663.48x = 11,943,851,761.50
  5. Step 5: Solve for x
    x = 11,943,851,761.50/104,663.48
  6. Step 6: Final answer
    x = 114,116.71

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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.