Home / 89,905.75-134,865.11-34,501.75

Finding the Fourth Proportional to 89,905.75, 134,865.11 and 34,501.75

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Solution

The fourth proportional to 89,905.75, 134,865.11 and 34,501.75 is: 51,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,905.75 : 134,865.11 = 34,501.75 : x
  2. Step 2: Convert to fraction form
    89,905.75/134,865.11 = 34,501.75/x
  3. Step 3: Cross multiply
    89,905.75x = 134,865.11 × 34,501.75
  4. Step 4: Simplify right side
    89,905.75x = 4,653,082,308.94
  5. Step 5: Solve for x
    x = 4,653,082,308.94/89,905.75
  6. Step 6: Final answer
    x = 51,755.11

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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.