Home / 73,974.40-110,731.20-42,716.80

Finding the Fourth Proportional to 73,974.40, 110,731.20 and 42,716.80

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Solution

The fourth proportional to 73,974.40, 110,731.20 and 42,716.80 is: 63,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,974.40 : 110,731.20 = 42,716.80 : x
  2. Step 2: Convert to fraction form
    73,974.40/110,731.20 = 42,716.80/x
  3. Step 3: Cross multiply
    73,974.40x = 110,731.20 × 42,716.80
  4. Step 4: Simplify right side
    73,974.40x = 4,730,082,524.16
  5. Step 5: Solve for x
    x = 4,730,082,524.16/73,974.40
  6. Step 6: Final answer
    x = 63,942.15

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1.5x scale

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.