Home / 83,523.12-115,255.56-45,797.36

Finding the Fourth Proportional to 83,523.12, 115,255.56 and 45,797.36

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Solution

The fourth proportional to 83,523.12, 115,255.56 and 45,797.36 is: 63,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,523.12 : 115,255.56 = 45,797.36 : x
  2. Step 2: Convert to fraction form
    83,523.12/115,255.56 = 45,797.36/x
  3. Step 3: Cross multiply
    83,523.12x = 115,255.56 × 45,797.36
  4. Step 4: Simplify right side
    83,523.12x = 5,278,400,373.32
  5. Step 5: Solve for x
    x = 5,278,400,373.32/83,523.12
  6. Step 6: Final answer
    x = 63,196.88

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1.5x scale

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.