Home / 80,811.01-121,218.47-27,502.89

Finding the Fourth Proportional to 80,811.01, 121,218.47 and 27,502.89

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Solution

The fourth proportional to 80,811.01, 121,218.47 and 27,502.89 is: 41,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,811.01 : 121,218.47 = 27,502.89 : x
  2. Step 2: Convert to fraction form
    80,811.01/121,218.47 = 27,502.89/x
  3. Step 3: Cross multiply
    80,811.01x = 121,218.47 × 27,502.89
  4. Step 4: Simplify right side
    80,811.01x = 3,333,858,246.38
  5. Step 5: Solve for x
    x = 3,333,858,246.38/80,811.01
  6. Step 6: Final answer
    x = 41,255.00

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1.5x scale

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.