Home / 88,230.15-121,757.75-47,944.39

Finding the Fourth Proportional to 88,230.15, 121,757.75 and 47,944.39

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Solution

The fourth proportional to 88,230.15, 121,757.75 and 47,944.39 is: 66,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,230.15 : 121,757.75 = 47,944.39 : x
  2. Step 2: Convert to fraction form
    88,230.15/121,757.75 = 47,944.39/x
  3. Step 3: Cross multiply
    88,230.15x = 121,757.75 × 47,944.39
  4. Step 4: Simplify right side
    88,230.15x = 5,837,600,811.80
  5. Step 5: Solve for x
    x = 5,837,600,811.80/88,230.15
  6. Step 6: Final answer
    x = 66,163.34

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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.