Home / 106,912.06-147,541.05-69,251.86

Finding the Fourth Proportional to 106,912.06, 147,541.05 and 69,251.86

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Solution

The fourth proportional to 106,912.06, 147,541.05 and 69,251.86 is: 95,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,912.06 : 147,541.05 = 69,251.86 : x
  2. Step 2: Convert to fraction form
    106,912.06/147,541.05 = 69,251.86/x
  3. Step 3: Cross multiply
    106,912.06x = 147,541.05 × 69,251.86
  4. Step 4: Simplify right side
    106,912.06x = 10,217,492,138.85
  5. Step 5: Solve for x
    x = 10,217,492,138.85/106,912.06
  6. Step 6: Final answer
    x = 95,569.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.