Home / 100,320.56-150,500.50-37,141.20

Finding the Fourth Proportional to 100,320.56, 150,500.50 and 37,141.20

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Solution

The fourth proportional to 100,320.56, 150,500.50 and 37,141.20 is: 55,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,320.56 : 150,500.50 = 37,141.20 : x
  2. Step 2: Convert to fraction form
    100,320.56/150,500.50 = 37,141.20/x
  3. Step 3: Cross multiply
    100,320.56x = 150,500.50 × 37,141.20
  4. Step 4: Simplify right side
    100,320.56x = 5,589,769,077.75
  5. Step 5: Solve for x
    x = 5,589,769,077.75/100,320.56
  6. Step 6: Final answer
    x = 55,719.08

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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.