Home / 80,538.64-111,142.68-44,240.68

Finding the Fourth Proportional to 80,538.64, 111,142.68 and 44,240.68

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Solution

The fourth proportional to 80,538.64, 111,142.68 and 44,240.68 is: 61,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,538.64 : 111,142.68 = 44,240.68 : x
  2. Step 2: Convert to fraction form
    80,538.64/111,142.68 = 44,240.68/x
  3. Step 3: Cross multiply
    80,538.64x = 111,142.68 × 44,240.68
  4. Step 4: Simplify right side
    80,538.64x = 4,917,027,740.22
  5. Step 5: Solve for x
    x = 4,917,027,740.22/80,538.64
  6. Step 6: Final answer
    x = 61,051.79

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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.