Home / 83,721.45-125,585.84-41,621.70

Finding the Fourth Proportional to 83,721.45, 125,585.84 and 41,621.70

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Solution

The fourth proportional to 83,721.45, 125,585.84 and 41,621.70 is: 62,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,721.45 : 125,585.84 = 41,621.70 : x
  2. Step 2: Convert to fraction form
    83,721.45/125,585.84 = 41,621.70/x
  3. Step 3: Cross multiply
    83,721.45x = 125,585.84 × 41,621.70
  4. Step 4: Simplify right side
    83,721.45x = 5,227,095,948.62
  5. Step 5: Solve for x
    x = 5,227,095,948.62/83,721.45
  6. Step 6: Final answer
    x = 62,434.37

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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.