Home / 107,780.14-161,670.24-32,900.71

Finding the Fourth Proportional to 107,780.14, 161,670.24 and 32,900.71

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Solution

The fourth proportional to 107,780.14, 161,670.24 and 32,900.71 is: 49,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,780.14 : 161,670.24 = 32,900.71 : x
  2. Step 2: Convert to fraction form
    107,780.14/161,670.24 = 32,900.71/x
  3. Step 3: Cross multiply
    107,780.14x = 161,670.24 × 32,900.71
  4. Step 4: Simplify right side
    107,780.14x = 5,319,065,681.87
  5. Step 5: Solve for x
    x = 5,319,065,681.87/107,780.14
  6. Step 6: Final answer
    x = 49,351.07

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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.