Home / 75,010.30-112,497.45-43,351.90

Finding the Fourth Proportional to 75,010.30, 112,497.45 and 43,351.90

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Solution

The fourth proportional to 75,010.30, 112,497.45 and 43,351.90 is: 65,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,010.30 : 112,497.45 = 43,351.90 : x
  2. Step 2: Convert to fraction form
    75,010.30/112,497.45 = 43,351.90/x
  3. Step 3: Cross multiply
    75,010.30x = 112,497.45 × 43,351.90
  4. Step 4: Simplify right side
    75,010.30x = 4,876,978,202.66
  5. Step 5: Solve for x
    x = 4,876,978,202.66/75,010.30
  6. Step 6: Final answer
    x = 65,017.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.