Home / 83,865.17-115,673.47-48,042.11

Finding the Fourth Proportional to 83,865.17, 115,673.47 and 48,042.11

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Solution

The fourth proportional to 83,865.17, 115,673.47 and 48,042.11 is: 66,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,865.17 : 115,673.47 = 48,042.11 : x
  2. Step 2: Convert to fraction form
    83,865.17/115,673.47 = 48,042.11/x
  3. Step 3: Cross multiply
    83,865.17x = 115,673.47 × 48,042.11
  4. Step 4: Simplify right side
    83,865.17x = 5,557,197,738.90
  5. Step 5: Solve for x
    x = 5,557,197,738.90/83,865.17
  6. Step 6: Final answer
    x = 66,263.47

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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.