Home / 74,470.44-111,785.24-30,126.18

Finding the Fourth Proportional to 74,470.44, 111,785.24 and 30,126.18

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Solution

The fourth proportional to 74,470.44, 111,785.24 and 30,126.18 is: 45,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,470.44 : 111,785.24 = 30,126.18 : x
  2. Step 2: Convert to fraction form
    74,470.44/111,785.24 = 30,126.18/x
  3. Step 3: Cross multiply
    74,470.44x = 111,785.24 × 30,126.18
  4. Step 4: Simplify right side
    74,470.44x = 3,367,662,336.90
  5. Step 5: Solve for x
    x = 3,367,662,336.90/74,470.44
  6. Step 6: Final answer
    x = 45,221.46

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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.