Home / 51,545.64-71,132.07-28,884.54

Finding the Fourth Proportional to 51,545.64, 71,132.07 and 28,884.54

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Solution

The fourth proportional to 51,545.64, 71,132.07 and 28,884.54 is: 39,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,545.64 : 71,132.07 = 28,884.54 : x
  2. Step 2: Convert to fraction form
    51,545.64/71,132.07 = 28,884.54/x
  3. Step 3: Cross multiply
    51,545.64x = 71,132.07 × 28,884.54
  4. Step 4: Simplify right side
    51,545.64x = 2,054,617,121.20
  5. Step 5: Solve for x
    x = 2,054,617,121.20/51,545.64
  6. Step 6: Final answer
    x = 39,860.15

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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.