Home / 74,494.88-111,812.54-27,155.72

Finding the Fourth Proportional to 74,494.88, 111,812.54 and 27,155.72

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Solution

The fourth proportional to 74,494.88, 111,812.54 and 27,155.72 is: 40,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,494.88 : 111,812.54 = 27,155.72 : x
  2. Step 2: Convert to fraction form
    74,494.88/111,812.54 = 27,155.72/x
  3. Step 3: Cross multiply
    74,494.88x = 111,812.54 × 27,155.72
  4. Step 4: Simplify right side
    74,494.88x = 3,036,349,753.18
  5. Step 5: Solve for x
    x = 3,036,349,753.18/74,494.88
  6. Step 6: Final answer
    x = 40,759.18

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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.