Home / 79,545.16-109,772.81-43,735.47

Finding the Fourth Proportional to 79,545.16, 109,772.81 and 43,735.47

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Solution

The fourth proportional to 79,545.16, 109,772.81 and 43,735.47 is: 60,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,545.16 : 109,772.81 = 43,735.47 : x
  2. Step 2: Convert to fraction form
    79,545.16/109,772.81 = 43,735.47/x
  3. Step 3: Cross multiply
    79,545.16x = 109,772.81 × 43,735.47
  4. Step 4: Simplify right side
    79,545.16x = 4,800,965,438.57
  5. Step 5: Solve for x
    x = 4,800,965,438.57/79,545.16
  6. Step 6: Final answer
    x = 60,355.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.