Home / 83,453.17-125,029.25-51,376.42

Finding the Fourth Proportional to 83,453.17, 125,029.25 and 51,376.42

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Solution

The fourth proportional to 83,453.17, 125,029.25 and 51,376.42 is: 76,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,453.17 : 125,029.25 = 51,376.42 : x
  2. Step 2: Convert to fraction form
    83,453.17/125,029.25 = 51,376.42/x
  3. Step 3: Cross multiply
    83,453.17x = 125,029.25 × 51,376.42
  4. Step 4: Simplify right side
    83,453.17x = 6,423,554,648.46
  5. Step 5: Solve for x
    x = 6,423,554,648.46/83,453.17
  6. Step 6: Final answer
    x = 76,971.97

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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.