Home / 92,557.56-138,860.92-48,171.18

Finding the Fourth Proportional to 92,557.56, 138,860.92 and 48,171.18

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Solution

The fourth proportional to 92,557.56, 138,860.92 and 48,171.18 is: 72,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,557.56 : 138,860.92 = 48,171.18 : x
  2. Step 2: Convert to fraction form
    92,557.56/138,860.92 = 48,171.18/x
  3. Step 3: Cross multiply
    92,557.56x = 138,860.92 × 48,171.18
  4. Step 4: Simplify right side
    92,557.56x = 6,689,094,372.29
  5. Step 5: Solve for x
    x = 6,689,094,372.29/92,557.56
  6. Step 6: Final answer
    x = 72,269.56

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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.