Home / 88,222.22-121,745.16-47,936.60

Finding the Fourth Proportional to 88,222.22, 121,745.16 and 47,936.60

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Solution

The fourth proportional to 88,222.22, 121,745.16 and 47,936.60 is: 66,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,222.22 : 121,745.16 = 47,936.60 : x
  2. Step 2: Convert to fraction form
    88,222.22/121,745.16 = 47,936.60/x
  3. Step 3: Cross multiply
    88,222.22x = 121,745.16 × 47,936.60
  4. Step 4: Simplify right side
    88,222.22x = 5,836,049,036.86
  5. Step 5: Solve for x
    x = 5,836,049,036.86/88,222.22
  6. Step 6: Final answer
    x = 66,151.69

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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.