Home / 83,736.12-125,557.95-43,655.10

Finding the Fourth Proportional to 83,736.12, 125,557.95 and 43,655.10

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Solution

The fourth proportional to 83,736.12, 125,557.95 and 43,655.10 is: 65,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,736.12 : 125,557.95 = 43,655.10 : x
  2. Step 2: Convert to fraction form
    83,736.12/125,557.95 = 43,655.10/x
  3. Step 3: Cross multiply
    83,736.12x = 125,557.95 × 43,655.10
  4. Step 4: Simplify right side
    83,736.12x = 5,481,244,863.05
  5. Step 5: Solve for x
    x = 5,481,244,863.05/83,736.12
  6. Step 6: Final answer
    x = 65,458.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.