Home / 64,802-96,983.52-39,857.88

Finding the Fourth Proportional to 64,802, 96,983.52 and 39,857.88

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Solution

The fourth proportional to 64,802, 96,983.52 and 39,857.88 is: 59,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,802 : 96,983.52 = 39,857.88 : x
  2. Step 2: Convert to fraction form
    64,802/96,983.52 = 39,857.88/x
  3. Step 3: Cross multiply
    64,802x = 96,983.52 × 39,857.88
  4. Step 4: Simplify right side
    64,802x = 3,865,557,502.14
  5. Step 5: Solve for x
    x = 3,865,557,502.14/64,802
  6. Step 6: Final answer
    x = 59,651.82

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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.