Home / 106,269.30-159,502.35-53,715.54

Finding the Fourth Proportional to 106,269.30, 159,502.35 and 53,715.54

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Solution

The fourth proportional to 106,269.30, 159,502.35 and 53,715.54 is: 80,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,269.30 : 159,502.35 = 53,715.54 : x
  2. Step 2: Convert to fraction form
    106,269.30/159,502.35 = 53,715.54/x
  3. Step 3: Cross multiply
    106,269.30x = 159,502.35 × 53,715.54
  4. Step 4: Simplify right side
    106,269.30x = 8,567,754,861.52
  5. Step 5: Solve for x
    x = 8,567,754,861.52/106,269.30
  6. Step 6: Final answer
    x = 80,623.05

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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.