Home / 74,452.32-102,770.64-49,309.92

Finding the Fourth Proportional to 74,452.32, 102,770.64 and 49,309.92

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Solution

The fourth proportional to 74,452.32, 102,770.64 and 49,309.92 is: 68,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,452.32 : 102,770.64 = 49,309.92 : x
  2. Step 2: Convert to fraction form
    74,452.32/102,770.64 = 49,309.92/x
  3. Step 3: Cross multiply
    74,452.32x = 102,770.64 × 49,309.92
  4. Step 4: Simplify right side
    74,452.32x = 5,067,612,036.75
  5. Step 5: Solve for x
    x = 5,067,612,036.75/74,452.32
  6. Step 6: Final answer
    x = 68,065.20

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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.