Home / 77,593.28-116,399.03-27,680.47

Finding the Fourth Proportional to 77,593.28, 116,399.03 and 27,680.47

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Solution

The fourth proportional to 77,593.28, 116,399.03 and 27,680.47 is: 41,523.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,593.28 : 116,399.03 = 27,680.47 : x
  2. Step 2: Convert to fraction form
    77,593.28/116,399.03 = 27,680.47/x
  3. Step 3: Cross multiply
    77,593.28x = 116,399.03 × 27,680.47
  4. Step 4: Simplify right side
    77,593.28x = 3,221,979,428.54
  5. Step 5: Solve for x
    x = 3,221,979,428.54/77,593.28
  6. Step 6: Final answer
    x = 41,523.95

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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.