Home / 101,133.72-151,793.75-51,249.16

Finding the Fourth Proportional to 101,133.72, 151,793.75 and 51,249.16

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Solution

The fourth proportional to 101,133.72, 151,793.75 and 51,249.16 is: 76,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,133.72 : 151,793.75 = 51,249.16 : x
  2. Step 2: Convert to fraction form
    101,133.72/151,793.75 = 51,249.16/x
  3. Step 3: Cross multiply
    101,133.72x = 151,793.75 × 51,249.16
  4. Step 4: Simplify right side
    101,133.72x = 7,779,302,180.75
  5. Step 5: Solve for x
    x = 7,779,302,180.75/101,133.72
  6. Step 6: Final answer
    x = 76,920.95

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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.