Home / 68,700.69-94,806.18-38,485.80

Finding the Fourth Proportional to 68,700.69, 94,806.18 and 38,485.80

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Solution

The fourth proportional to 68,700.69, 94,806.18 and 38,485.80 is: 53,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,700.69 : 94,806.18 = 38,485.80 : x
  2. Step 2: Convert to fraction form
    68,700.69/94,806.18 = 38,485.80/x
  3. Step 3: Cross multiply
    68,700.69x = 94,806.18 × 38,485.80
  4. Step 4: Simplify right side
    68,700.69x = 3,648,691,682.24
  5. Step 5: Solve for x
    x = 3,648,691,682.24/68,700.69
  6. Step 6: Final answer
    x = 53,109.97

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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.