Home / 65,916.27-98,891.28-19,169.15

Finding the Fourth Proportional to 65,916.27, 98,891.28 and 19,169.15

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Solution

The fourth proportional to 65,916.27, 98,891.28 and 19,169.15 is: 28,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,916.27 : 98,891.28 = 19,169.15 : x
  2. Step 2: Convert to fraction form
    65,916.27/98,891.28 = 19,169.15/x
  3. Step 3: Cross multiply
    65,916.27x = 98,891.28 × 19,169.15
  4. Step 4: Simplify right side
    65,916.27x = 1,895,661,285.56
  5. Step 5: Solve for x
    x = 1,895,661,285.56/65,916.27
  6. Step 6: Final answer
    x = 28,758.62

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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.