Home / 99,851.27-149,834.45-55,474.28

Finding the Fourth Proportional to 99,851.27, 149,834.45 and 55,474.28

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Solution

The fourth proportional to 99,851.27, 149,834.45 and 55,474.28 is: 83,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,851.27 : 149,834.45 = 55,474.28 : x
  2. Step 2: Convert to fraction form
    99,851.27/149,834.45 = 55,474.28/x
  3. Step 3: Cross multiply
    99,851.27x = 149,834.45 × 55,474.28
  4. Step 4: Simplify right side
    99,851.27x = 8,311,957,622.46
  5. Step 5: Solve for x
    x = 8,311,957,622.46/99,851.27
  6. Step 6: Final answer
    x = 83,243.38

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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.