Home / 87,809.50-121,177.08-47,523.25

Finding the Fourth Proportional to 87,809.50, 121,177.08 and 47,523.25

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Solution

The fourth proportional to 87,809.50, 121,177.08 and 47,523.25 is: 65,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,809.50 : 121,177.08 = 47,523.25 : x
  2. Step 2: Convert to fraction form
    87,809.50/121,177.08 = 47,523.25/x
  3. Step 3: Cross multiply
    87,809.50x = 121,177.08 × 47,523.25
  4. Step 4: Simplify right side
    87,809.50x = 5,758,728,667.11
  5. Step 5: Solve for x
    x = 5,758,728,667.11/87,809.50
  6. Step 6: Final answer
    x = 65,582.07

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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.