Home / 107,690.14-161,535.38-28,804.38

Finding the Fourth Proportional to 107,690.14, 161,535.38 and 28,804.38

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Solution

The fourth proportional to 107,690.14, 161,535.38 and 28,804.38 is: 43,206.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,690.14 : 161,535.38 = 28,804.38 : x
  2. Step 2: Convert to fraction form
    107,690.14/161,535.38 = 28,804.38/x
  3. Step 3: Cross multiply
    107,690.14x = 161,535.38 × 28,804.38
  4. Step 4: Simplify right side
    107,690.14x = 4,652,926,468.96
  5. Step 5: Solve for x
    x = 4,652,926,468.96/107,690.14
  6. Step 6: Final answer
    x = 43,206.62

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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.