Home / 91,752.20-137,939.34-73,268.36

Finding the Fourth Proportional to 91,752.20, 137,939.34 and 73,268.36

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Solution

The fourth proportional to 91,752.20, 137,939.34 and 73,268.36 is: 110,150.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,752.20 : 137,939.34 = 73,268.36 : x
  2. Step 2: Convert to fraction form
    91,752.20/137,939.34 = 73,268.36/x
  3. Step 3: Cross multiply
    91,752.20x = 137,939.34 × 73,268.36
  4. Step 4: Simplify right side
    91,752.20x = 10,106,589,221.28
  5. Step 5: Solve for x
    x = 10,106,589,221.28/91,752.20
  6. Step 6: Final answer
    x = 110,150.92

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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.