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Finding the Fourth Proportional to 69,443.65, 104,026.73 and 31,952.32

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Solution

The fourth proportional to 69,443.65, 104,026.73 and 31,952.32 is: 47,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,443.65 : 104,026.73 = 31,952.32 : x
  2. Step 2: Convert to fraction form
    69,443.65/104,026.73 = 31,952.32/x
  3. Step 3: Cross multiply
    69,443.65x = 104,026.73 × 31,952.32
  4. Step 4: Simplify right side
    69,443.65x = 3,323,895,710.57
  5. Step 5: Solve for x
    x = 3,323,895,710.57/69,443.65
  6. Step 6: Final answer
    x = 47,864.64

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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.