Home / 98,365.94-135,740.19-55,923.56

Finding the Fourth Proportional to 98,365.94, 135,740.19 and 55,923.56

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Solution

The fourth proportional to 98,365.94, 135,740.19 and 55,923.56 is: 77,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,365.94 : 135,740.19 = 55,923.56 : x
  2. Step 2: Convert to fraction form
    98,365.94/135,740.19 = 55,923.56/x
  3. Step 3: Cross multiply
    98,365.94x = 135,740.19 × 55,923.56
  4. Step 4: Simplify right side
    98,365.94x = 7,591,073,701.56
  5. Step 5: Solve for x
    x = 7,591,073,701.56/98,365.94
  6. Step 6: Final answer
    x = 77,171.77

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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.