Home / 83,822.20-115,677.68-48,019.13

Finding the Fourth Proportional to 83,822.20, 115,677.68 and 48,019.13

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Solution

The fourth proportional to 83,822.20, 115,677.68 and 48,019.13 is: 66,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,822.20 : 115,677.68 = 48,019.13 : x
  2. Step 2: Convert to fraction form
    83,822.20/115,677.68 = 48,019.13/x
  3. Step 3: Cross multiply
    83,822.20x = 115,677.68 × 48,019.13
  4. Step 4: Simplify right side
    83,822.20x = 5,554,741,203.09
  5. Step 5: Solve for x
    x = 5,554,741,203.09/83,822.20
  6. Step 6: Final answer
    x = 66,268.14

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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.