Home / 83,973.39-115,891.46-62,715.75

Finding the Fourth Proportional to 83,973.39, 115,891.46 and 62,715.75

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Solution

The fourth proportional to 83,973.39, 115,891.46 and 62,715.75 is: 86,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,973.39 : 115,891.46 = 62,715.75 : x
  2. Step 2: Convert to fraction form
    83,973.39/115,891.46 = 62,715.75/x
  3. Step 3: Cross multiply
    83,973.39x = 115,891.46 × 62,715.75
  4. Step 4: Simplify right side
    83,973.39x = 7,268,219,832.50
  5. Step 5: Solve for x
    x = 7,268,219,832.50/83,973.39
  6. Step 6: Final answer
    x = 86,553.85

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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.