Home / 74,218.56-111,355.20-34,788.48

Finding the Fourth Proportional to 74,218.56, 111,355.20 and 34,788.48

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Solution

The fourth proportional to 74,218.56, 111,355.20 and 34,788.48 is: 52,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,218.56 : 111,355.20 = 34,788.48 : x
  2. Step 2: Convert to fraction form
    74,218.56/111,355.20 = 34,788.48/x
  3. Step 3: Cross multiply
    74,218.56x = 111,355.20 × 34,788.48
  4. Step 4: Simplify right side
    74,218.56x = 3,873,878,148.10
  5. Step 5: Solve for x
    x = 3,873,878,148.10/74,218.56
  6. Step 6: Final answer
    x = 52,195.54

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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.