Home / 83,216.12-124,832.10-30,626.60

Finding the Fourth Proportional to 83,216.12, 124,832.10 and 30,626.60

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Solution

The fourth proportional to 83,216.12, 124,832.10 and 30,626.60 is: 45,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,216.12 : 124,832.10 = 30,626.60 : x
  2. Step 2: Convert to fraction form
    83,216.12/124,832.10 = 30,626.60/x
  3. Step 3: Cross multiply
    83,216.12x = 124,832.10 × 30,626.60
  4. Step 4: Simplify right side
    83,216.12x = 3,823,182,793.86
  5. Step 5: Solve for x
    x = 3,823,182,793.86/83,216.12
  6. Step 6: Final answer
    x = 45,942.81

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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.