Home / 60,942.78-91,228.28-54,619.92

Finding the Fourth Proportional to 60,942.78, 91,228.28 and 54,619.92

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Solution

The fourth proportional to 60,942.78, 91,228.28 and 54,619.92 is: 81,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,942.78 : 91,228.28 = 54,619.92 : x
  2. Step 2: Convert to fraction form
    60,942.78/91,228.28 = 54,619.92/x
  3. Step 3: Cross multiply
    60,942.78x = 91,228.28 × 54,619.92
  4. Step 4: Simplify right side
    60,942.78x = 4,982,881,082.24
  5. Step 5: Solve for x
    x = 4,982,881,082.24/60,942.78
  6. Step 6: Final answer
    x = 81,763.27

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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.