Home / 83,819.88-115,695.94-49,852.28

Finding the Fourth Proportional to 83,819.88, 115,695.94 and 49,852.28

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Solution

The fourth proportional to 83,819.88, 115,695.94 and 49,852.28 is: 68,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,819.88 : 115,695.94 = 49,852.28 : x
  2. Step 2: Convert to fraction form
    83,819.88/115,695.94 = 49,852.28/x
  3. Step 3: Cross multiply
    83,819.88x = 115,695.94 × 49,852.28
  4. Step 4: Simplify right side
    83,819.88x = 5,767,706,395.74
  5. Step 5: Solve for x
    x = 5,767,706,395.74/83,819.88
  6. Step 6: Final answer
    x = 68,810.72

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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.