Home / 68,429.93-94,412.63-39,744.05

Finding the Fourth Proportional to 68,429.93, 94,412.63 and 39,744.05

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Solution

The fourth proportional to 68,429.93, 94,412.63 and 39,744.05 is: 54,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,429.93 : 94,412.63 = 39,744.05 : x
  2. Step 2: Convert to fraction form
    68,429.93/94,412.63 = 39,744.05/x
  3. Step 3: Cross multiply
    68,429.93x = 94,412.63 × 39,744.05
  4. Step 4: Simplify right side
    68,429.93x = 3,752,339,914.65
  5. Step 5: Solve for x
    x = 3,752,339,914.65/68,429.93
  6. Step 6: Final answer
    x = 54,834.78

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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.