Home / 74,394.87-111,551.30-38,767.28

Finding the Fourth Proportional to 74,394.87, 111,551.30 and 38,767.28

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Solution

The fourth proportional to 74,394.87, 111,551.30 and 38,767.28 is: 58,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,394.87 : 111,551.30 = 38,767.28 : x
  2. Step 2: Convert to fraction form
    74,394.87/111,551.30 = 38,767.28/x
  3. Step 3: Cross multiply
    74,394.87x = 111,551.30 × 38,767.28
  4. Step 4: Simplify right side
    74,394.87x = 4,324,539,923.71
  5. Step 5: Solve for x
    x = 4,324,539,923.71/74,394.87
  6. Step 6: Final answer
    x = 58,129.54

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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.