Home / 54,780.22-75,596.71-29,629.72

Finding the Fourth Proportional to 54,780.22, 75,596.71 and 29,629.72

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Solution

The fourth proportional to 54,780.22, 75,596.71 and 29,629.72 is: 40,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.22 : 75,596.71 = 29,629.72 : x
  2. Step 2: Convert to fraction form
    54,780.22/75,596.71 = 29,629.72/x
  3. Step 3: Cross multiply
    54,780.22x = 75,596.71 × 29,629.72
  4. Step 4: Simplify right side
    54,780.22x = 2,239,909,350.22
  5. Step 5: Solve for x
    x = 2,239,909,350.22/54,780.22
  6. Step 6: Final answer
    x = 40,889.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.