Home / 80,895.25-121,349.01-27,570.65

Finding the Fourth Proportional to 80,895.25, 121,349.01 and 27,570.65

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Solution

The fourth proportional to 80,895.25, 121,349.01 and 27,570.65 is: 41,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,895.25 : 121,349.01 = 27,570.65 : x
  2. Step 2: Convert to fraction form
    80,895.25/121,349.01 = 27,570.65/x
  3. Step 3: Cross multiply
    80,895.25x = 121,349.01 × 27,570.65
  4. Step 4: Simplify right side
    80,895.25x = 3,345,671,082.56
  5. Step 5: Solve for x
    x = 3,345,671,082.56/80,895.25
  6. Step 6: Final answer
    x = 41,358.07

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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.