Home / 88,333.73-121,903.78-50,615.27

Finding the Fourth Proportional to 88,333.73, 121,903.78 and 50,615.27

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Solution

The fourth proportional to 88,333.73, 121,903.78 and 50,615.27 is: 69,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,333.73 : 121,903.78 = 50,615.27 : x
  2. Step 2: Convert to fraction form
    88,333.73/121,903.78 = 50,615.27/x
  3. Step 3: Cross multiply
    88,333.73x = 121,903.78 × 50,615.27
  4. Step 4: Simplify right side
    88,333.73x = 6,170,192,738.72
  5. Step 5: Solve for x
    x = 6,170,192,738.72/88,333.73
  6. Step 6: Final answer
    x = 69,850.92

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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.