Home / 99,592.08-137,435.82-54,272.04

Finding the Fourth Proportional to 99,592.08, 137,435.82 and 54,272.04

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Solution

The fourth proportional to 99,592.08, 137,435.82 and 54,272.04 is: 74,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,592.08 : 137,435.82 = 54,272.04 : x
  2. Step 2: Convert to fraction form
    99,592.08/137,435.82 = 54,272.04/x
  3. Step 3: Cross multiply
    99,592.08x = 137,435.82 × 54,272.04
  4. Step 4: Simplify right side
    99,592.08x = 7,458,922,320.47
  5. Step 5: Solve for x
    x = 7,458,922,320.47/99,592.08
  6. Step 6: Final answer
    x = 74,894.73

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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.