Home / 45,904.20-69,002.10-43,279.80

Finding the Fourth Proportional to 45,904.20, 69,002.10 and 43,279.80

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Solution

The fourth proportional to 45,904.20, 69,002.10 and 43,279.80 is: 65,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,904.20 : 69,002.10 = 43,279.80 : x
  2. Step 2: Convert to fraction form
    45,904.20/69,002.10 = 43,279.80/x
  3. Step 3: Cross multiply
    45,904.20x = 69,002.10 × 43,279.80
  4. Step 4: Simplify right side
    45,904.20x = 2,986,397,087.58
  5. Step 5: Solve for x
    x = 2,986,397,087.58/45,904.20
  6. Step 6: Final answer
    x = 65,057.16

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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.