Home / 89,652.84-134,449.20-45,251.28

Finding the Fourth Proportional to 89,652.84, 134,449.20 and 45,251.28

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Solution

The fourth proportional to 89,652.84, 134,449.20 and 45,251.28 is: 67,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,652.84 : 134,449.20 = 45,251.28 : x
  2. Step 2: Convert to fraction form
    89,652.84/134,449.20 = 45,251.28/x
  3. Step 3: Cross multiply
    89,652.84x = 134,449.20 × 45,251.28
  4. Step 4: Simplify right side
    89,652.84x = 6,083,998,394.98
  5. Step 5: Solve for x
    x = 6,083,998,394.98/89,652.84
  6. Step 6: Final answer
    x = 67,861.75

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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.