Home / 74,521.44-111,782.15-43,334.82

Finding the Fourth Proportional to 74,521.44, 111,782.15 and 43,334.82

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Solution

The fourth proportional to 74,521.44, 111,782.15 and 43,334.82 is: 65,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,521.44 : 111,782.15 = 43,334.82 : x
  2. Step 2: Convert to fraction form
    74,521.44/111,782.15 = 43,334.82/x
  3. Step 3: Cross multiply
    74,521.44x = 111,782.15 × 43,334.82
  4. Step 4: Simplify right side
    74,521.44x = 4,844,059,132.79
  5. Step 5: Solve for x
    x = 4,844,059,132.79/74,521.44
  6. Step 6: Final answer
    x = 65,002.22

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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.