Home / 69,940.67-96,517.71-38,109.47

Finding the Fourth Proportional to 69,940.67, 96,517.71 and 38,109.47

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Solution

The fourth proportional to 69,940.67, 96,517.71 and 38,109.47 is: 52,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,940.67 : 96,517.71 = 38,109.47 : x
  2. Step 2: Convert to fraction form
    69,940.67/96,517.71 = 38,109.47/x
  3. Step 3: Cross multiply
    69,940.67x = 96,517.71 × 38,109.47
  4. Step 4: Simplify right side
    69,940.67x = 3,678,238,291.13
  5. Step 5: Solve for x
    x = 3,678,238,291.13/69,940.67
  6. Step 6: Final answer
    x = 52,590.84

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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.