Home / 101,942.56-153,007.26-54,611.10

Finding the Fourth Proportional to 101,942.56, 153,007.26 and 54,611.10

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Solution

The fourth proportional to 101,942.56, 153,007.26 and 54,611.10 is: 81,966.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,942.56 : 153,007.26 = 54,611.10 : x
  2. Step 2: Convert to fraction form
    101,942.56/153,007.26 = 54,611.10/x
  3. Step 3: Cross multiply
    101,942.56x = 153,007.26 × 54,611.10
  4. Step 4: Simplify right side
    101,942.56x = 8,355,894,635.02
  5. Step 5: Solve for x
    x = 8,355,894,635.02/101,942.56
  6. Step 6: Final answer
    x = 81,966.69

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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.