Home / 83,704.12-115,512.53-45,464.03

Finding the Fourth Proportional to 83,704.12, 115,512.53 and 45,464.03

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Solution

The fourth proportional to 83,704.12, 115,512.53 and 45,464.03 is: 62,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,704.12 : 115,512.53 = 45,464.03 : x
  2. Step 2: Convert to fraction form
    83,704.12/115,512.53 = 45,464.03/x
  3. Step 3: Cross multiply
    83,704.12x = 115,512.53 × 45,464.03
  4. Step 4: Simplify right side
    83,704.12x = 5,251,665,663.08
  5. Step 5: Solve for x
    x = 5,251,665,663.08/83,704.12
  6. Step 6: Final answer
    x = 62,740.83

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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.