Home / 68,786.65-94,933.49-45,815.20

Finding the Fourth Proportional to 68,786.65, 94,933.49 and 45,815.20

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Solution

The fourth proportional to 68,786.65, 94,933.49 and 45,815.20 is: 63,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,786.65 : 94,933.49 = 45,815.20 : x
  2. Step 2: Convert to fraction form
    68,786.65/94,933.49 = 45,815.20/x
  3. Step 3: Cross multiply
    68,786.65x = 94,933.49 × 45,815.20
  4. Step 4: Simplify right side
    68,786.65x = 4,349,396,898.64
  5. Step 5: Solve for x
    x = 4,349,396,898.64/68,786.65
  6. Step 6: Final answer
    x = 63,230.25

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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.