Home / 88,249.27-121,784.78-47,963.12

Finding the Fourth Proportional to 88,249.27, 121,784.78 and 47,963.12

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Solution

The fourth proportional to 88,249.27, 121,784.78 and 47,963.12 is: 66,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.27 : 121,784.78 = 47,963.12 : x
  2. Step 2: Convert to fraction form
    88,249.27/121,784.78 = 47,963.12/x
  3. Step 3: Cross multiply
    88,249.27x = 121,784.78 × 47,963.12
  4. Step 4: Simplify right side
    88,249.27x = 5,841,178,441.68
  5. Step 5: Solve for x
    x = 5,841,178,441.68/88,249.27
  6. Step 6: Final answer
    x = 66,189.54

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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.