Home / 88,032.49-121,487.59-49,791.29

Finding the Fourth Proportional to 88,032.49, 121,487.59 and 49,791.29

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Solution

The fourth proportional to 88,032.49, 121,487.59 and 49,791.29 is: 68,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,032.49 : 121,487.59 = 49,791.29 : x
  2. Step 2: Convert to fraction form
    88,032.49/121,487.59 = 49,791.29/x
  3. Step 3: Cross multiply
    88,032.49x = 121,487.59 × 49,791.29
  4. Step 4: Simplify right side
    88,032.49x = 6,049,024,004.33
  5. Step 5: Solve for x
    x = 6,049,024,004.33/88,032.49
  6. Step 6: Final answer
    x = 68,713.54

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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.