Home / 82,631.40-123,860.46-40,453.32

Finding the Fourth Proportional to 82,631.40, 123,860.46 and 40,453.32

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Solution

The fourth proportional to 82,631.40, 123,860.46 and 40,453.32 is: 60,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,631.40 : 123,860.46 = 40,453.32 : x
  2. Step 2: Convert to fraction form
    82,631.40/123,860.46 = 40,453.32/x
  3. Step 3: Cross multiply
    82,631.40x = 123,860.46 × 40,453.32
  4. Step 4: Simplify right side
    82,631.40x = 5,010,566,823.73
  5. Step 5: Solve for x
    x = 5,010,566,823.73/82,631.40
  6. Step 6: Final answer
    x = 60,637.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.