Home / 107,660.80-161,439.36-37,538.56

Finding the Fourth Proportional to 107,660.80, 161,439.36 and 37,538.56

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Solution

The fourth proportional to 107,660.80, 161,439.36 and 37,538.56 is: 56,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,660.80 : 161,439.36 = 37,538.56 : x
  2. Step 2: Convert to fraction form
    107,660.80/161,439.36 = 37,538.56/x
  3. Step 3: Cross multiply
    107,660.80x = 161,439.36 × 37,538.56
  4. Step 4: Simplify right side
    107,660.80x = 6,060,201,101.72
  5. Step 5: Solve for x
    x = 6,060,201,101.72/107,660.80
  6. Step 6: Final answer
    x = 56,289.76

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1.5x scale

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.