Home / 70,964.62-97,928.94-39,134.86

Finding the Fourth Proportional to 70,964.62, 97,928.94 and 39,134.86

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Solution

The fourth proportional to 70,964.62, 97,928.94 and 39,134.86 is: 54,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,964.62 : 97,928.94 = 39,134.86 : x
  2. Step 2: Convert to fraction form
    70,964.62/97,928.94 = 39,134.86/x
  3. Step 3: Cross multiply
    70,964.62x = 97,928.94 × 39,134.86
  4. Step 4: Simplify right side
    70,964.62x = 3,832,435,356.85
  5. Step 5: Solve for x
    x = 3,832,435,356.85/70,964.62
  6. Step 6: Final answer
    x = 54,004.87

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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.