Home / 60,902.06-91,380.38-38,709.68

Finding the Fourth Proportional to 60,902.06, 91,380.38 and 38,709.68

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Solution

The fourth proportional to 60,902.06, 91,380.38 and 38,709.68 is: 58,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,902.06 : 91,380.38 = 38,709.68 : x
  2. Step 2: Convert to fraction form
    60,902.06/91,380.38 = 38,709.68/x
  3. Step 3: Cross multiply
    60,902.06x = 91,380.38 × 38,709.68
  4. Step 4: Simplify right side
    60,902.06x = 3,537,304,617.63
  5. Step 5: Solve for x
    x = 3,537,304,617.63/60,902.06
  6. Step 6: Final answer
    x = 58,081.86

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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.