Home / 65,895.29-90,935.66-35,680.97

Finding the Fourth Proportional to 65,895.29, 90,935.66 and 35,680.97

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Solution

The fourth proportional to 65,895.29, 90,935.66 and 35,680.97 is: 49,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,895.29 : 90,935.66 = 35,680.97 : x
  2. Step 2: Convert to fraction form
    65,895.29/90,935.66 = 35,680.97/x
  3. Step 3: Cross multiply
    65,895.29x = 90,935.66 × 35,680.97
  4. Step 4: Simplify right side
    65,895.29x = 3,244,672,872.93
  5. Step 5: Solve for x
    x = 3,244,672,872.93/65,895.29
  6. Step 6: Final answer
    x = 49,239.83

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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.