Home / 113,741.40-170,612.08-61,078.44

Finding the Fourth Proportional to 113,741.40, 170,612.08 and 61,078.44

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Solution

The fourth proportional to 113,741.40, 170,612.08 and 61,078.44 is: 91,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,741.40 : 170,612.08 = 61,078.44 : x
  2. Step 2: Convert to fraction form
    113,741.40/170,612.08 = 61,078.44/x
  3. Step 3: Cross multiply
    113,741.40x = 170,612.08 × 61,078.44
  4. Step 4: Simplify right side
    113,741.40x = 10,420,719,691.56
  5. Step 5: Solve for x
    x = 10,420,719,691.56/113,741.40
  6. Step 6: Final answer
    x = 91,617.65

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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.