Home / 74,257.24-102,610.56-54,078.83

Finding the Fourth Proportional to 74,257.24, 102,610.56 and 54,078.83

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Solution

The fourth proportional to 74,257.24, 102,610.56 and 54,078.83 is: 74,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,257.24 : 102,610.56 = 54,078.83 : x
  2. Step 2: Convert to fraction form
    74,257.24/102,610.56 = 54,078.83/x
  3. Step 3: Cross multiply
    74,257.24x = 102,610.56 × 54,078.83
  4. Step 4: Simplify right side
    74,257.24x = 5,549,059,030.44
  5. Step 5: Solve for x
    x = 5,549,059,030.44/74,257.24
  6. Step 6: Final answer
    x = 74,727.52

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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.