Home / 83,180.29-114,809.20-47,391.41

Finding the Fourth Proportional to 83,180.29, 114,809.20 and 47,391.41

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Solution

The fourth proportional to 83,180.29, 114,809.20 and 47,391.41 is: 65,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,180.29 : 114,809.20 = 47,391.41 : x
  2. Step 2: Convert to fraction form
    83,180.29/114,809.20 = 47,391.41/x
  3. Step 3: Cross multiply
    83,180.29x = 114,809.20 × 47,391.41
  4. Step 4: Simplify right side
    83,180.29x = 5,440,969,868.97
  5. Step 5: Solve for x
    x = 5,440,969,868.97/83,180.29
  6. Step 6: Final answer
    x = 65,411.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.