Home / 97,163.28-134,086.73-54,141.55

Finding the Fourth Proportional to 97,163.28, 134,086.73 and 54,141.55

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Solution

The fourth proportional to 97,163.28, 134,086.73 and 54,141.55 is: 74,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,163.28 : 134,086.73 = 54,141.55 : x
  2. Step 2: Convert to fraction form
    97,163.28/134,086.73 = 54,141.55/x
  3. Step 3: Cross multiply
    97,163.28x = 134,086.73 × 54,141.55
  4. Step 4: Simplify right side
    97,163.28x = 7,259,662,790.71
  5. Step 5: Solve for x
    x = 7,259,662,790.71/97,163.28
  6. Step 6: Final answer
    x = 74,716.11

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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.