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Finding the Fourth Proportional to 80,458.38, 111,022.38 and 44,643.42

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Solution

The fourth proportional to 80,458.38, 111,022.38 and 44,643.42 is: 61,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,458.38 : 111,022.38 = 44,643.42 : x
  2. Step 2: Convert to fraction form
    80,458.38/111,022.38 = 44,643.42/x
  3. Step 3: Cross multiply
    80,458.38x = 111,022.38 × 44,643.42
  4. Step 4: Simplify right side
    80,458.38x = 4,956,418,739.74
  5. Step 5: Solve for x
    x = 4,956,418,739.74/80,458.38
  6. Step 6: Final answer
    x = 61,602.27

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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.