Home / 82,930.46-114,439.72-47,115.50

Finding the Fourth Proportional to 82,930.46, 114,439.72 and 47,115.50

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Solution

The fourth proportional to 82,930.46, 114,439.72 and 47,115.50 is: 65,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,930.46 : 114,439.72 = 47,115.50 : x
  2. Step 2: Convert to fraction form
    82,930.46/114,439.72 = 47,115.50/x
  3. Step 3: Cross multiply
    82,930.46x = 114,439.72 × 47,115.50
  4. Step 4: Simplify right side
    82,930.46x = 5,391,884,392.08
  5. Step 5: Solve for x
    x = 5,391,884,392.08/82,930.46
  6. Step 6: Final answer
    x = 65,016.94

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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.