Home / 94,882.21-142,346.66-66,856.97

Finding the Fourth Proportional to 94,882.21, 142,346.66 and 66,856.97

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Solution

The fourth proportional to 94,882.21, 142,346.66 and 66,856.97 is: 100,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,882.21 : 142,346.66 = 66,856.97 : x
  2. Step 2: Convert to fraction form
    94,882.21/142,346.66 = 66,856.97/x
  3. Step 3: Cross multiply
    94,882.21x = 142,346.66 × 66,856.97
  4. Step 4: Simplify right side
    94,882.21x = 9,516,866,398.80
  5. Step 5: Solve for x
    x = 9,516,866,398.80/94,882.21
  6. Step 6: Final answer
    x = 100,301.91

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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.