Home / 83,632.91-125,448.27-20,453.58

Finding the Fourth Proportional to 83,632.91, 125,448.27 and 20,453.58

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Solution

The fourth proportional to 83,632.91, 125,448.27 and 20,453.58 is: 30,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,632.91 : 125,448.27 = 20,453.58 : x
  2. Step 2: Convert to fraction form
    83,632.91/125,448.27 = 20,453.58/x
  3. Step 3: Cross multiply
    83,632.91x = 125,448.27 × 20,453.58
  4. Step 4: Simplify right side
    83,632.91x = 2,565,865,755.88
  5. Step 5: Solve for x
    x = 2,565,865,755.88/83,632.91
  6. Step 6: Final answer
    x = 30,680.10

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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.