Home / 69,940.35-96,518.79-38,109.24

Finding the Fourth Proportional to 69,940.35, 96,518.79 and 38,109.24

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Solution

The fourth proportional to 69,940.35, 96,518.79 and 38,109.24 is: 52,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,940.35 : 96,518.79 = 38,109.24 : x
  2. Step 2: Convert to fraction form
    69,940.35/96,518.79 = 38,109.24/x
  3. Step 3: Cross multiply
    69,940.35x = 96,518.79 × 38,109.24
  4. Step 4: Simplify right side
    69,940.35x = 3,678,257,732.62
  5. Step 5: Solve for x
    x = 3,678,257,732.62/69,940.35
  6. Step 6: Final answer
    x = 52,591.35

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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.