Home / 75,290.91-112,911.48-25,358.61

Finding the Fourth Proportional to 75,290.91, 112,911.48 and 25,358.61

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Solution

The fourth proportional to 75,290.91, 112,911.48 and 25,358.61 is: 38,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,290.91 : 112,911.48 = 25,358.61 : x
  2. Step 2: Convert to fraction form
    75,290.91/112,911.48 = 25,358.61/x
  3. Step 3: Cross multiply
    75,290.91x = 112,911.48 × 25,358.61
  4. Step 4: Simplify right side
    75,290.91x = 2,863,278,185.84
  5. Step 5: Solve for x
    x = 2,863,278,185.84/75,290.91
  6. Step 6: Final answer
    x = 38,029.53

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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.