Home / 98,972.24-136,581.18-53,650.04

Finding the Fourth Proportional to 98,972.24, 136,581.18 and 53,650.04

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Solution

The fourth proportional to 98,972.24, 136,581.18 and 53,650.04 is: 74,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,972.24 : 136,581.18 = 53,650.04 : x
  2. Step 2: Convert to fraction form
    98,972.24/136,581.18 = 53,650.04/x
  3. Step 3: Cross multiply
    98,972.24x = 136,581.18 × 53,650.04
  4. Step 4: Simplify right side
    98,972.24x = 7,327,585,770.25
  5. Step 5: Solve for x
    x = 7,327,585,770.25/98,972.24
  6. Step 6: Final answer
    x = 74,036.78

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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.