Home / 107,231.72-160,683.55-57,318.91

Finding the Fourth Proportional to 107,231.72, 160,683.55 and 57,318.91

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Solution

The fourth proportional to 107,231.72, 160,683.55 and 57,318.91 is: 85,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,231.72 : 160,683.55 = 57,318.91 : x
  2. Step 2: Convert to fraction form
    107,231.72/160,683.55 = 57,318.91/x
  3. Step 3: Cross multiply
    107,231.72x = 160,683.55 × 57,318.91
  4. Step 4: Simplify right side
    107,231.72x = 9,210,205,395.92
  5. Step 5: Solve for x
    x = 9,210,205,395.92/107,231.72
  6. Step 6: Final answer
    x = 85,890.68

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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.