Home / 89,278.66-123,209.96-59,011.49

Finding the Fourth Proportional to 89,278.66, 123,209.96 and 59,011.49

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Solution

The fourth proportional to 89,278.66, 123,209.96 and 59,011.49 is: 81,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.66 : 123,209.96 = 59,011.49 : x
  2. Step 2: Convert to fraction form
    89,278.66/123,209.96 = 59,011.49/x
  3. Step 3: Cross multiply
    89,278.66x = 123,209.96 × 59,011.49
  4. Step 4: Simplify right side
    89,278.66x = 7,270,802,974.29
  5. Step 5: Solve for x
    x = 7,270,802,974.29/89,278.66
  6. Step 6: Final answer
    x = 81,439.43

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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.