Home / 100,244.97-138,338.05-54,924.67

Finding the Fourth Proportional to 100,244.97, 138,338.05 and 54,924.67

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Solution

The fourth proportional to 100,244.97, 138,338.05 and 54,924.67 is: 75,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,244.97 : 138,338.05 = 54,924.67 : x
  2. Step 2: Convert to fraction form
    100,244.97/138,338.05 = 54,924.67/x
  3. Step 3: Cross multiply
    100,244.97x = 138,338.05 × 54,924.67
  4. Step 4: Simplify right side
    100,244.97x = 7,598,171,744.69
  5. Step 5: Solve for x
    x = 7,598,171,744.69/100,244.97
  6. Step 6: Final answer
    x = 75,796.04

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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.