Home / 68,834.68-94,986.27-38,615.81

Finding the Fourth Proportional to 68,834.68, 94,986.27 and 38,615.81

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Solution

The fourth proportional to 68,834.68, 94,986.27 and 38,615.81 is: 53,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,834.68 : 94,986.27 = 38,615.81 : x
  2. Step 2: Convert to fraction form
    68,834.68/94,986.27 = 38,615.81/x
  3. Step 3: Cross multiply
    68,834.68x = 94,986.27 × 38,615.81
  4. Step 4: Simplify right side
    68,834.68x = 3,667,971,280.00
  5. Step 5: Solve for x
    x = 3,667,971,280.00/68,834.68
  6. Step 6: Final answer
    x = 53,286.68

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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.