Home / 71,944.64-99,277.92-40,111.04

Finding the Fourth Proportional to 71,944.64, 99,277.92 and 40,111.04

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Solution

The fourth proportional to 71,944.64, 99,277.92 and 40,111.04 is: 55,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,944.64 : 99,277.92 = 40,111.04 : x
  2. Step 2: Convert to fraction form
    71,944.64/99,277.92 = 40,111.04/x
  3. Step 3: Cross multiply
    71,944.64x = 99,277.92 × 40,111.04
  4. Step 4: Simplify right side
    71,944.64x = 3,982,140,620.24
  5. Step 5: Solve for x
    x = 3,982,140,620.24/71,944.64
  6. Step 6: Final answer
    x = 55,350.07

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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.