Home / 67,468.78-93,115.14-39,174.47

Finding the Fourth Proportional to 67,468.78, 93,115.14 and 39,174.47

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Solution

The fourth proportional to 67,468.78, 93,115.14 and 39,174.47 is: 54,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,468.78 : 93,115.14 = 39,174.47 : x
  2. Step 2: Convert to fraction form
    67,468.78/93,115.14 = 39,174.47/x
  3. Step 3: Cross multiply
    67,468.78x = 93,115.14 × 39,174.47
  4. Step 4: Simplify right side
    67,468.78x = 3,647,735,995.18
  5. Step 5: Solve for x
    x = 3,647,735,995.18/67,468.78
  6. Step 6: Final answer
    x = 54,065.54

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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.