Home / 68,005.12-93,845.23-37,789.69

Finding the Fourth Proportional to 68,005.12, 93,845.23 and 37,789.69

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Solution

The fourth proportional to 68,005.12, 93,845.23 and 37,789.69 is: 52,148.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,005.12 : 93,845.23 = 37,789.69 : x
  2. Step 2: Convert to fraction form
    68,005.12/93,845.23 = 37,789.69/x
  3. Step 3: Cross multiply
    68,005.12x = 93,845.23 × 37,789.69
  4. Step 4: Simplify right side
    68,005.12x = 3,546,382,149.68
  5. Step 5: Solve for x
    x = 3,546,382,149.68/68,005.12
  6. Step 6: Final answer
    x = 52,148.75

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1.5x scale

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.