Home / 74,515.57-111,529.01-40,729.84

Finding the Fourth Proportional to 74,515.57, 111,529.01 and 40,729.84

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Solution

The fourth proportional to 74,515.57, 111,529.01 and 40,729.84 is: 60,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,515.57 : 111,529.01 = 40,729.84 : x
  2. Step 2: Convert to fraction form
    74,515.57/111,529.01 = 40,729.84/x
  3. Step 3: Cross multiply
    74,515.57x = 111,529.01 × 40,729.84
  4. Step 4: Simplify right side
    74,515.57x = 4,542,558,834.48
  5. Step 5: Solve for x
    x = 4,542,558,834.48/74,515.57
  6. Step 6: Final answer
    x = 60,961.20

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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.