Home / 84,628.92-126,922.50-34,723.20

Finding the Fourth Proportional to 84,628.92, 126,922.50 and 34,723.20

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Solution

The fourth proportional to 84,628.92, 126,922.50 and 34,723.20 is: 52,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,628.92 : 126,922.50 = 34,723.20 : x
  2. Step 2: Convert to fraction form
    84,628.92/126,922.50 = 34,723.20/x
  3. Step 3: Cross multiply
    84,628.92x = 126,922.50 × 34,723.20
  4. Step 4: Simplify right side
    84,628.92x = 4,407,155,352
  5. Step 5: Solve for x
    x = 4,407,155,352/84,628.92
  6. Step 6: Final answer
    x = 52,076.23

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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.