Home / 98,082.19-146,937.68-57,981.12

Finding the Fourth Proportional to 98,082.19, 146,937.68 and 57,981.12

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Solution

The fourth proportional to 98,082.19, 146,937.68 and 57,981.12 is: 86,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,082.19 : 146,937.68 = 57,981.12 : x
  2. Step 2: Convert to fraction form
    98,082.19/146,937.68 = 57,981.12/x
  3. Step 3: Cross multiply
    98,082.19x = 146,937.68 × 57,981.12
  4. Step 4: Simplify right side
    98,082.19x = 8,519,611,256.60
  5. Step 5: Solve for x
    x = 8,519,611,256.60/98,082.19
  6. Step 6: Final answer
    x = 86,861.96

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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.