Home / 89,961.48-134,947.08-23,401.76

Finding the Fourth Proportional to 89,961.48, 134,947.08 and 23,401.76

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Solution

The fourth proportional to 89,961.48, 134,947.08 and 23,401.76 is: 35,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,961.48 : 134,947.08 = 23,401.76 : x
  2. Step 2: Convert to fraction form
    89,961.48/134,947.08 = 23,401.76/x
  3. Step 3: Cross multiply
    89,961.48x = 134,947.08 × 23,401.76
  4. Step 4: Simplify right side
    89,961.48x = 3,157,998,504.13
  5. Step 5: Solve for x
    x = 3,157,998,504.13/89,961.48
  6. Step 6: Final answer
    x = 35,103.90

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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.