Home / 74,542.14-111,816.81-21,952.14

Finding the Fourth Proportional to 74,542.14, 111,816.81 and 21,952.14

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Solution

The fourth proportional to 74,542.14, 111,816.81 and 21,952.14 is: 32,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,542.14 : 111,816.81 = 21,952.14 : x
  2. Step 2: Convert to fraction form
    74,542.14/111,816.81 = 21,952.14/x
  3. Step 3: Cross multiply
    74,542.14x = 111,816.81 × 21,952.14
  4. Step 4: Simplify right side
    74,542.14x = 2,454,618,267.47
  5. Step 5: Solve for x
    x = 2,454,618,267.47/74,542.14
  6. Step 6: Final answer
    x = 32,929.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.