Home / 87,809.27-121,176.81-47,523.34

Finding the Fourth Proportional to 87,809.27, 121,176.81 and 47,523.34

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Solution

The fourth proportional to 87,809.27, 121,176.81 and 47,523.34 is: 65,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,809.27 : 121,176.81 = 47,523.34 : x
  2. Step 2: Convert to fraction form
    87,809.27/121,176.81 = 47,523.34/x
  3. Step 3: Cross multiply
    87,809.27x = 121,176.81 × 47,523.34
  4. Step 4: Simplify right side
    87,809.27x = 5,758,726,893.22
  5. Step 5: Solve for x
    x = 5,758,726,893.22/87,809.27
  6. Step 6: Final answer
    x = 65,582.22

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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.