Home / 99,844.71-137,785.95-54,523.05

Finding the Fourth Proportional to 99,844.71, 137,785.95 and 54,523.05

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Solution

The fourth proportional to 99,844.71, 137,785.95 and 54,523.05 is: 75,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,844.71 : 137,785.95 = 54,523.05 : x
  2. Step 2: Convert to fraction form
    99,844.71/137,785.95 = 54,523.05/x
  3. Step 3: Cross multiply
    99,844.71x = 137,785.95 × 54,523.05
  4. Step 4: Simplify right side
    99,844.71x = 7,512,510,241.15
  5. Step 5: Solve for x
    x = 7,512,510,241.15/99,844.71
  6. Step 6: Final answer
    x = 75,241.95

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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.