Home / 49,010.80-73,370.40-29,279.20

Finding the Fourth Proportional to 49,010.80, 73,370.40 and 29,279.20

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Solution

The fourth proportional to 49,010.80, 73,370.40 and 29,279.20 is: 43,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,010.80 : 73,370.40 = 29,279.20 : x
  2. Step 2: Convert to fraction form
    49,010.80/73,370.40 = 29,279.20/x
  3. Step 3: Cross multiply
    49,010.80x = 73,370.40 × 29,279.20
  4. Step 4: Simplify right side
    49,010.80x = 2,148,226,615.68
  5. Step 5: Solve for x
    x = 2,148,226,615.68/49,010.80
  6. Step 6: Final answer
    x = 43,831.70

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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.