Home / 101,107.24-151,678.68-34,531.76

Finding the Fourth Proportional to 101,107.24, 151,678.68 and 34,531.76

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Solution

The fourth proportional to 101,107.24, 151,678.68 and 34,531.76 is: 51,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,107.24 : 151,678.68 = 34,531.76 : x
  2. Step 2: Convert to fraction form
    101,107.24/151,678.68 = 34,531.76/x
  3. Step 3: Cross multiply
    101,107.24x = 151,678.68 × 34,531.76
  4. Step 4: Simplify right side
    101,107.24x = 5,237,731,774.88
  5. Step 5: Solve for x
    x = 5,237,731,774.88/101,107.24
  6. Step 6: Final answer
    x = 51,803.73

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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.