Home / 82,823.40-114,306.84-61,662.96

Finding the Fourth Proportional to 82,823.40, 114,306.84 and 61,662.96

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Solution

The fourth proportional to 82,823.40, 114,306.84 and 61,662.96 is: 85,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,823.40 : 114,306.84 = 61,662.96 : x
  2. Step 2: Convert to fraction form
    82,823.40/114,306.84 = 61,662.96/x
  3. Step 3: Cross multiply
    82,823.40x = 114,306.84 × 61,662.96
  4. Step 4: Simplify right side
    82,823.40x = 7,048,498,102.65
  5. Step 5: Solve for x
    x = 7,048,498,102.65/82,823.40
  6. Step 6: Final answer
    x = 85,102.74

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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.