Home / 89,919.30-134,956.70-34,554.18

Finding the Fourth Proportional to 89,919.30, 134,956.70 and 34,554.18

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Solution

The fourth proportional to 89,919.30, 134,956.70 and 34,554.18 is: 51,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.30 : 134,956.70 = 34,554.18 : x
  2. Step 2: Convert to fraction form
    89,919.30/134,956.70 = 34,554.18/x
  3. Step 3: Cross multiply
    89,919.30x = 134,956.70 × 34,554.18
  4. Step 4: Simplify right side
    89,919.30x = 4,663,318,104.01
  5. Step 5: Solve for x
    x = 4,663,318,104.01/89,919.30
  6. Step 6: Final answer
    x = 51,861.15

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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.