Home / 107,515.76-161,358.96-57,632.72

Finding the Fourth Proportional to 107,515.76, 161,358.96 and 57,632.72

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Solution

The fourth proportional to 107,515.76, 161,358.96 and 57,632.72 is: 86,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,515.76 : 161,358.96 = 57,632.72 : x
  2. Step 2: Convert to fraction form
    107,515.76/161,358.96 = 57,632.72/x
  3. Step 3: Cross multiply
    107,515.76x = 161,358.96 × 57,632.72
  4. Step 4: Simplify right side
    107,515.76x = 9,299,555,761.17
  5. Step 5: Solve for x
    x = 9,299,555,761.17/107,515.76
  6. Step 6: Final answer
    x = 86,494.81

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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.