Home / 98,994.11-136,612.31-53,672.04

Finding the Fourth Proportional to 98,994.11, 136,612.31 and 53,672.04

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Solution

The fourth proportional to 98,994.11, 136,612.31 and 53,672.04 is: 74,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,994.11 : 136,612.31 = 53,672.04 : x
  2. Step 2: Convert to fraction form
    98,994.11/136,612.31 = 53,672.04/x
  3. Step 3: Cross multiply
    98,994.11x = 136,612.31 × 53,672.04
  4. Step 4: Simplify right side
    98,994.11x = 7,332,261,098.45
  5. Step 5: Solve for x
    x = 7,332,261,098.45/98,994.11
  6. Step 6: Final answer
    x = 74,067.65

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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.