Home / 84,518.92-126,799.44-25,355.76

Finding the Fourth Proportional to 84,518.92, 126,799.44 and 25,355.76

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Solution

The fourth proportional to 84,518.92, 126,799.44 and 25,355.76 is: 38,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,518.92 : 126,799.44 = 25,355.76 : x
  2. Step 2: Convert to fraction form
    84,518.92/126,799.44 = 25,355.76/x
  3. Step 3: Cross multiply
    84,518.92x = 126,799.44 × 25,355.76
  4. Step 4: Simplify right side
    84,518.92x = 3,215,096,168.77
  5. Step 5: Solve for x
    x = 3,215,096,168.77/84,518.92
  6. Step 6: Final answer
    x = 38,039.96

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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.