Home / 84,100.03-126,132.58-24,921.79

Finding the Fourth Proportional to 84,100.03, 126,132.58 and 24,921.79

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Solution

The fourth proportional to 84,100.03, 126,132.58 and 24,921.79 is: 37,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,100.03 : 126,132.58 = 24,921.79 : x
  2. Step 2: Convert to fraction form
    84,100.03/126,132.58 = 24,921.79/x
  3. Step 3: Cross multiply
    84,100.03x = 126,132.58 × 24,921.79
  4. Step 4: Simplify right side
    84,100.03x = 3,143,449,670.92
  5. Step 5: Solve for x
    x = 3,143,449,670.92/84,100.03
  6. Step 6: Final answer
    x = 37,377.51

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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.