Home / 96,631.20-144,874.80-49,917.60

Finding the Fourth Proportional to 96,631.20, 144,874.80 and 49,917.60

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Solution

The fourth proportional to 96,631.20, 144,874.80 and 49,917.60 is: 74,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,631.20 : 144,874.80 = 49,917.60 : x
  2. Step 2: Convert to fraction form
    96,631.20/144,874.80 = 49,917.60/x
  3. Step 3: Cross multiply
    96,631.20x = 144,874.80 × 49,917.60
  4. Step 4: Simplify right side
    96,631.20x = 7,231,802,316.48
  5. Step 5: Solve for x
    x = 7,231,802,316.48/96,631.20
  6. Step 6: Final answer
    x = 74,839.21

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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.