Home / 87,884.33-121,291.03-49,645.49

Finding the Fourth Proportional to 87,884.33, 121,291.03 and 49,645.49

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Solution

The fourth proportional to 87,884.33, 121,291.03 and 49,645.49 is: 68,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,884.33 : 121,291.03 = 49,645.49 : x
  2. Step 2: Convert to fraction form
    87,884.33/121,291.03 = 49,645.49/x
  3. Step 3: Cross multiply
    87,884.33x = 121,291.03 × 49,645.49
  4. Step 4: Simplify right side
    87,884.33x = 6,021,551,762.27
  5. Step 5: Solve for x
    x = 6,021,551,762.27/87,884.33
  6. Step 6: Final answer
    x = 68,516.79

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1.5x scale

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.