Home / 71,811.40-107,766.30-25,064.28

Finding the Fourth Proportional to 71,811.40, 107,766.30 and 25,064.28

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Solution

The fourth proportional to 71,811.40, 107,766.30 and 25,064.28 is: 37,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,811.40 : 107,766.30 = 25,064.28 : x
  2. Step 2: Convert to fraction form
    71,811.40/107,766.30 = 25,064.28/x
  3. Step 3: Cross multiply
    71,811.40x = 107,766.30 × 25,064.28
  4. Step 4: Simplify right side
    71,811.40x = 2,701,084,717.76
  5. Step 5: Solve for x
    x = 2,701,084,717.76/71,811.40
  6. Step 6: Final answer
    x = 37,613.59

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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.