Home / 75,272.38-103,864.08-43,435.24

Finding the Fourth Proportional to 75,272.38, 103,864.08 and 43,435.24

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Solution

The fourth proportional to 75,272.38, 103,864.08 and 43,435.24 is: 59,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,272.38 : 103,864.08 = 43,435.24 : x
  2. Step 2: Convert to fraction form
    75,272.38/103,864.08 = 43,435.24/x
  3. Step 3: Cross multiply
    75,272.38x = 103,864.08 × 43,435.24
  4. Step 4: Simplify right side
    75,272.38x = 4,511,361,242.18
  5. Step 5: Solve for x
    x = 4,511,361,242.18/75,272.38
  6. Step 6: Final answer
    x = 59,933.82

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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.