Home / 88,120.29-121,597.97-50,393.73

Finding the Fourth Proportional to 88,120.29, 121,597.97 and 50,393.73

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Solution

The fourth proportional to 88,120.29, 121,597.97 and 50,393.73 is: 69,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120.29 : 121,597.97 = 50,393.73 : x
  2. Step 2: Convert to fraction form
    88,120.29/121,597.97 = 50,393.73/x
  3. Step 3: Cross multiply
    88,120.29x = 121,597.97 × 50,393.73
  4. Step 4: Simplify right side
    88,120.29x = 6,127,775,016.76
  5. Step 5: Solve for x
    x = 6,127,775,016.76/88,120.29
  6. Step 6: Final answer
    x = 69,538.75

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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.