Home / 70,306.14-96,921.57-50,128.02

Finding the Fourth Proportional to 70,306.14, 96,921.57 and 50,128.02

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Solution

The fourth proportional to 70,306.14, 96,921.57 and 50,128.02 is: 69,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,306.14 : 96,921.57 = 50,128.02 : x
  2. Step 2: Convert to fraction form
    70,306.14/96,921.57 = 50,128.02/x
  3. Step 3: Cross multiply
    70,306.14x = 96,921.57 × 50,128.02
  4. Step 4: Simplify right side
    70,306.14x = 4,858,486,399.39
  5. Step 5: Solve for x
    x = 4,858,486,399.39/70,306.14
  6. Step 6: Final answer
    x = 69,104.72

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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.