Home / 66,470.43-99,705.24-28,514.10

Finding the Fourth Proportional to 66,470.43, 99,705.24 and 28,514.10

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Solution

The fourth proportional to 66,470.43, 99,705.24 and 28,514.10 is: 42,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,470.43 : 99,705.24 = 28,514.10 : x
  2. Step 2: Convert to fraction form
    66,470.43/99,705.24 = 28,514.10/x
  3. Step 3: Cross multiply
    66,470.43x = 99,705.24 × 28,514.10
  4. Step 4: Simplify right side
    66,470.43x = 2,843,005,183.88
  5. Step 5: Solve for x
    x = 2,843,005,183.88/66,470.43
  6. Step 6: Final answer
    x = 42,770.98

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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.