Home / 81,767.49-122,689.96-34,392.96

Finding the Fourth Proportional to 81,767.49, 122,689.96 and 34,392.96

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Solution

The fourth proportional to 81,767.49, 122,689.96 and 34,392.96 is: 51,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,767.49 : 122,689.96 = 34,392.96 : x
  2. Step 2: Convert to fraction form
    81,767.49/122,689.96 = 34,392.96/x
  3. Step 3: Cross multiply
    81,767.49x = 122,689.96 × 34,392.96
  4. Step 4: Simplify right side
    81,767.49x = 4,219,670,886.68
  5. Step 5: Solve for x
    x = 4,219,670,886.68/81,767.49
  6. Step 6: Final answer
    x = 51,605.73

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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.