Home / 84,476.16-126,718.45-25,306.20

Finding the Fourth Proportional to 84,476.16, 126,718.45 and 25,306.20

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Solution

The fourth proportional to 84,476.16, 126,718.45 and 25,306.20 is: 37,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,476.16 : 126,718.45 = 25,306.20 : x
  2. Step 2: Convert to fraction form
    84,476.16/126,718.45 = 25,306.20/x
  3. Step 3: Cross multiply
    84,476.16x = 126,718.45 × 25,306.20
  4. Step 4: Simplify right side
    84,476.16x = 3,206,762,376.12
  5. Step 5: Solve for x
    x = 3,206,762,376.12/84,476.16
  6. Step 6: Final answer
    x = 37,960.56

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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.