Home / 83,974.64-115,893.18-62,717.00

Finding the Fourth Proportional to 83,974.64, 115,893.18 and 62,717.00

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Solution

The fourth proportional to 83,974.64, 115,893.18 and 62,717.00 is: 86,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,974.64 : 115,893.18 = 62,717.00 : x
  2. Step 2: Convert to fraction form
    83,974.64/115,893.18 = 62,717.00/x
  3. Step 3: Cross multiply
    83,974.64x = 115,893.18 × 62,717.00
  4. Step 4: Simplify right side
    83,974.64x = 7,268,471,990.59
  5. Step 5: Solve for x
    x = 7,268,471,990.59/83,974.64
  6. Step 6: Final answer
    x = 86,555.57

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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.