Home / 83,768.70-125,651.32-27,612.18

Finding the Fourth Proportional to 83,768.70, 125,651.32 and 27,612.18

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Solution

The fourth proportional to 83,768.70, 125,651.32 and 27,612.18 is: 41,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,768.70 : 125,651.32 = 27,612.18 : x
  2. Step 2: Convert to fraction form
    83,768.70/125,651.32 = 27,612.18/x
  3. Step 3: Cross multiply
    83,768.70x = 125,651.32 × 27,612.18
  4. Step 4: Simplify right side
    83,768.70x = 3,469,506,098.76
  5. Step 5: Solve for x
    x = 3,469,506,098.76/83,768.70
  6. Step 6: Final answer
    x = 41,417.69

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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.