Home / 124,947.44-172,498.76-82,628.72

Finding the Fourth Proportional to 124,947.44, 172,498.76 and 82,628.72

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Solution

The fourth proportional to 124,947.44, 172,498.76 and 82,628.72 is: 114,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,947.44 : 172,498.76 = 82,628.72 : x
  2. Step 2: Convert to fraction form
    124,947.44/172,498.76 = 82,628.72/x
  3. Step 3: Cross multiply
    124,947.44x = 172,498.76 × 82,628.72
  4. Step 4: Simplify right side
    124,947.44x = 14,253,351,740.39
  5. Step 5: Solve for x
    x = 14,253,351,740.39/124,947.44
  6. Step 6: Final answer
    x = 114,074.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.