Home / 79,769.95-119,618.34-27,158.02

Finding the Fourth Proportional to 79,769.95, 119,618.34 and 27,158.02

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Solution

The fourth proportional to 79,769.95, 119,618.34 and 27,158.02 is: 40,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,769.95 : 119,618.34 = 27,158.02 : x
  2. Step 2: Convert to fraction form
    79,769.95/119,618.34 = 27,158.02/x
  3. Step 3: Cross multiply
    79,769.95x = 119,618.34 × 27,158.02
  4. Step 4: Simplify right side
    79,769.95x = 3,248,597,270.09
  5. Step 5: Solve for x
    x = 3,248,597,270.09/79,769.95
  6. Step 6: Final answer
    x = 40,724.57

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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.