Home / 84,539.94-126,812.24-25,375.62

Finding the Fourth Proportional to 84,539.94, 126,812.24 and 25,375.62

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Solution

The fourth proportional to 84,539.94, 126,812.24 and 25,375.62 is: 38,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,539.94 : 126,812.24 = 25,375.62 : x
  2. Step 2: Convert to fraction form
    84,539.94/126,812.24 = 25,375.62/x
  3. Step 3: Cross multiply
    84,539.94x = 126,812.24 × 25,375.62
  4. Step 4: Simplify right side
    84,539.94x = 3,217,939,086.71
  5. Step 5: Solve for x
    x = 3,217,939,086.71/84,539.94
  6. Step 6: Final answer
    x = 38,064.13

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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.