Home / 87,904.99-121,301.67-49,667.86

Finding the Fourth Proportional to 87,904.99, 121,301.67 and 49,667.86

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Solution

The fourth proportional to 87,904.99, 121,301.67 and 49,667.86 is: 68,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,904.99 : 121,301.67 = 49,667.86 : x
  2. Step 2: Convert to fraction form
    87,904.99/121,301.67 = 49,667.86/x
  3. Step 3: Cross multiply
    87,904.99x = 121,301.67 × 49,667.86
  4. Step 4: Simplify right side
    87,904.99x = 6,024,794,363.33
  5. Step 5: Solve for x
    x = 6,024,794,363.33/87,904.99
  6. Step 6: Final answer
    x = 68,537.57

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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.