Home / 88,212.01-121,751.84-54,249.73

Finding the Fourth Proportional to 88,212.01, 121,751.84 and 54,249.73

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Solution

The fourth proportional to 88,212.01, 121,751.84 and 54,249.73 is: 74,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,212.01 : 121,751.84 = 54,249.73 : x
  2. Step 2: Convert to fraction form
    88,212.01/121,751.84 = 54,249.73/x
  3. Step 3: Cross multiply
    88,212.01x = 121,751.84 × 54,249.73
  4. Step 4: Simplify right side
    88,212.01x = 6,605,004,447.00
  5. Step 5: Solve for x
    x = 6,605,004,447.00/88,212.01
  6. Step 6: Final answer
    x = 74,876.48

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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.