Home / 73,925.38-102,016.96-40,391.38

Finding the Fourth Proportional to 73,925.38, 102,016.96 and 40,391.38

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Solution

The fourth proportional to 73,925.38, 102,016.96 and 40,391.38 is: 55,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,925.38 : 102,016.96 = 40,391.38 : x
  2. Step 2: Convert to fraction form
    73,925.38/102,016.96 = 40,391.38/x
  3. Step 3: Cross multiply
    73,925.38x = 102,016.96 × 40,391.38
  4. Step 4: Simplify right side
    73,925.38x = 4,120,605,797.80
  5. Step 5: Solve for x
    x = 4,120,605,797.80/73,925.38
  6. Step 6: Final answer
    x = 55,740.07

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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.