Home / 69,837.28-96,377.63-39,623.87

Finding the Fourth Proportional to 69,837.28, 96,377.63 and 39,623.87

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Solution

The fourth proportional to 69,837.28, 96,377.63 and 39,623.87 is: 54,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,837.28 : 96,377.63 = 39,623.87 : x
  2. Step 2: Convert to fraction form
    69,837.28/96,377.63 = 39,623.87/x
  3. Step 3: Cross multiply
    69,837.28x = 96,377.63 × 39,623.87
  4. Step 4: Simplify right side
    69,837.28x = 3,818,854,724.85
  5. Step 5: Solve for x
    x = 3,818,854,724.85/69,837.28
  6. Step 6: Final answer
    x = 54,682.18

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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.