Home / 83,814.12-125,717.94-28,410.12

Finding the Fourth Proportional to 83,814.12, 125,717.94 and 28,410.12

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Solution

The fourth proportional to 83,814.12, 125,717.94 and 28,410.12 is: 42,614.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,814.12 : 125,717.94 = 28,410.12 : x
  2. Step 2: Convert to fraction form
    83,814.12/125,717.94 = 28,410.12/x
  3. Step 3: Cross multiply
    83,814.12x = 125,717.94 × 28,410.12
  4. Step 4: Simplify right side
    83,814.12x = 3,571,661,761.55
  5. Step 5: Solve for x
    x = 3,571,661,761.55/83,814.12
  6. Step 6: Final answer
    x = 42,614.08

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1.5x scale

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.