Home / 74,443.20-111,664.80-44,918.70

Finding the Fourth Proportional to 74,443.20, 111,664.80 and 44,918.70

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Solution

The fourth proportional to 74,443.20, 111,664.80 and 44,918.70 is: 67,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,443.20 : 111,664.80 = 44,918.70 : x
  2. Step 2: Convert to fraction form
    74,443.20/111,664.80 = 44,918.70/x
  3. Step 3: Cross multiply
    74,443.20x = 111,664.80 × 44,918.70
  4. Step 4: Simplify right side
    74,443.20x = 5,015,837,651.76
  5. Step 5: Solve for x
    x = 5,015,837,651.76/74,443.20
  6. Step 6: Final answer
    x = 67,378.05

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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.