Home / 79,440.03-109,622.97-45,444.87

Finding the Fourth Proportional to 79,440.03, 109,622.97 and 45,444.87

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Solution

The fourth proportional to 79,440.03, 109,622.97 and 45,444.87 is: 62,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440.03 : 109,622.97 = 45,444.87 : x
  2. Step 2: Convert to fraction form
    79,440.03/109,622.97 = 45,444.87/x
  3. Step 3: Cross multiply
    79,440.03x = 109,622.97 × 45,444.87
  4. Step 4: Simplify right side
    79,440.03x = 4,981,801,620.66
  5. Step 5: Solve for x
    x = 4,981,801,620.66/79,440.03
  6. Step 6: Final answer
    x = 62,711.48

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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.