Home / 100,866.36-151,095.42-50,876.76

Finding the Fourth Proportional to 100,866.36, 151,095.42 and 50,876.76

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Solution

The fourth proportional to 100,866.36, 151,095.42 and 50,876.76 is: 76,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,866.36 : 151,095.42 = 50,876.76 : x
  2. Step 2: Convert to fraction form
    100,866.36/151,095.42 = 50,876.76/x
  3. Step 3: Cross multiply
    100,866.36x = 151,095.42 × 50,876.76
  4. Step 4: Simplify right side
    100,866.36x = 7,687,245,420.44
  5. Step 5: Solve for x
    x = 7,687,245,420.44/100,866.36
  6. Step 6: Final answer
    x = 76,212.18

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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.