Home / 83,414.07-115,111.46-45,173.90

Finding the Fourth Proportional to 83,414.07, 115,111.46 and 45,173.90

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Solution

The fourth proportional to 83,414.07, 115,111.46 and 45,173.90 is: 62,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,414.07 : 115,111.46 = 45,173.90 : x
  2. Step 2: Convert to fraction form
    83,414.07/115,111.46 = 45,173.90/x
  3. Step 3: Cross multiply
    83,414.07x = 115,111.46 × 45,173.90
  4. Step 4: Simplify right side
    83,414.07x = 5,200,033,983.61
  5. Step 5: Solve for x
    x = 5,200,033,983.61/83,414.07
  6. Step 6: Final answer
    x = 62,340.01

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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.