Home / 83,217.12-124,833.60-30,627.60

Finding the Fourth Proportional to 83,217.12, 124,833.60 and 30,627.60

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Solution

The fourth proportional to 83,217.12, 124,833.60 and 30,627.60 is: 45,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,217.12 : 124,833.60 = 30,627.60 : x
  2. Step 2: Convert to fraction form
    83,217.12/124,833.60 = 30,627.60/x
  3. Step 3: Cross multiply
    83,217.12x = 124,833.60 × 30,627.60
  4. Step 4: Simplify right side
    83,217.12x = 3,823,353,567.36
  5. Step 5: Solve for x
    x = 3,823,353,567.36/83,217.12
  6. Step 6: Final answer
    x = 45,944.31

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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.