Home / 78,739.24-118,073.28-22,566.48

Finding the Fourth Proportional to 78,739.24, 118,073.28 and 22,566.48

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Solution

The fourth proportional to 78,739.24, 118,073.28 and 22,566.48 is: 33,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,739.24 : 118,073.28 = 22,566.48 : x
  2. Step 2: Convert to fraction form
    78,739.24/118,073.28 = 22,566.48/x
  3. Step 3: Cross multiply
    78,739.24x = 118,073.28 × 22,566.48
  4. Step 4: Simplify right side
    78,739.24x = 2,664,498,311.65
  5. Step 5: Solve for x
    x = 2,664,498,311.65/78,739.24
  6. Step 6: Final answer
    x = 33,839.52

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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.