Home / 88,182.78-121,693.54-49,941.38

Finding the Fourth Proportional to 88,182.78, 121,693.54 and 49,941.38

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Solution

The fourth proportional to 88,182.78, 121,693.54 and 49,941.38 is: 68,919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,182.78 : 121,693.54 = 49,941.38 : x
  2. Step 2: Convert to fraction form
    88,182.78/121,693.54 = 49,941.38/x
  3. Step 3: Cross multiply
    88,182.78x = 121,693.54 × 49,941.38
  4. Step 4: Simplify right side
    88,182.78x = 6,077,542,772.72
  5. Step 5: Solve for x
    x = 6,077,542,772.72/88,182.78
  6. Step 6: Final answer
    x = 68,919.84

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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.