Home / 88,399.11-121,993.56-50,160.27

Finding the Fourth Proportional to 88,399.11, 121,993.56 and 50,160.27

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Solution

The fourth proportional to 88,399.11, 121,993.56 and 50,160.27 is: 69,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,399.11 : 121,993.56 = 50,160.27 : x
  2. Step 2: Convert to fraction form
    88,399.11/121,993.56 = 50,160.27/x
  3. Step 3: Cross multiply
    88,399.11x = 121,993.56 × 50,160.27
  4. Step 4: Simplify right side
    88,399.11x = 6,119,229,907.86
  5. Step 5: Solve for x
    x = 6,119,229,907.86/88,399.11
  6. Step 6: Final answer
    x = 69,222.75

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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.