Home / 92,257.38-138,438.72-36,102.06

Finding the Fourth Proportional to 92,257.38, 138,438.72 and 36,102.06

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Solution

The fourth proportional to 92,257.38, 138,438.72 and 36,102.06 is: 54,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,257.38 : 138,438.72 = 36,102.06 : x
  2. Step 2: Convert to fraction form
    92,257.38/138,438.72 = 36,102.06/x
  3. Step 3: Cross multiply
    92,257.38x = 138,438.72 × 36,102.06
  4. Step 4: Simplify right side
    92,257.38x = 4,997,922,975.76
  5. Step 5: Solve for x
    x = 4,997,922,975.76/92,257.38
  6. Step 6: Final answer
    x = 54,173.69

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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.