Home / 88,255.27-121,792.85-47,969.38

Finding the Fourth Proportional to 88,255.27, 121,792.85 and 47,969.38

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Solution

The fourth proportional to 88,255.27, 121,792.85 and 47,969.38 is: 66,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,255.27 : 121,792.85 = 47,969.38 : x
  2. Step 2: Convert to fraction form
    88,255.27/121,792.85 = 47,969.38/x
  3. Step 3: Cross multiply
    88,255.27x = 121,792.85 × 47,969.38
  4. Step 4: Simplify right side
    88,255.27x = 5,842,327,502.93
  5. Step 5: Solve for x
    x = 5,842,327,502.93/88,255.27
  6. Step 6: Final answer
    x = 66,198.06

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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.