Home / 101,266.87-151,995.65-51,382.77

Finding the Fourth Proportional to 101,266.87, 151,995.65 and 51,382.77

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Solution

The fourth proportional to 101,266.87, 151,995.65 and 51,382.77 is: 77,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,266.87 : 151,995.65 = 51,382.77 : x
  2. Step 2: Convert to fraction form
    101,266.87/151,995.65 = 51,382.77/x
  3. Step 3: Cross multiply
    101,266.87x = 151,995.65 × 51,382.77
  4. Step 4: Simplify right side
    101,266.87x = 7,809,956,698.05
  5. Step 5: Solve for x
    x = 7,809,956,698.05/101,266.87
  6. Step 6: Final answer
    x = 77,122.52

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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.