Home / 75,040.92-112,567.30-25,121.20

Finding the Fourth Proportional to 75,040.92, 112,567.30 and 25,121.20

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Solution

The fourth proportional to 75,040.92, 112,567.30 and 25,121.20 is: 37,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,040.92 : 112,567.30 = 25,121.20 : x
  2. Step 2: Convert to fraction form
    75,040.92/112,567.30 = 25,121.20/x
  3. Step 3: Cross multiply
    75,040.92x = 112,567.30 × 25,121.20
  4. Step 4: Simplify right side
    75,040.92x = 2,827,825,656.76
  5. Step 5: Solve for x
    x = 2,827,825,656.76/75,040.92
  6. Step 6: Final answer
    x = 37,683.78

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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.