Home / 54,815.93-75,530.12-48,782.54

Finding the Fourth Proportional to 54,815.93, 75,530.12 and 48,782.54

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Solution

The fourth proportional to 54,815.93, 75,530.12 and 48,782.54 is: 67,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815.93 : 75,530.12 = 48,782.54 : x
  2. Step 2: Convert to fraction form
    54,815.93/75,530.12 = 48,782.54/x
  3. Step 3: Cross multiply
    54,815.93x = 75,530.12 × 48,782.54
  4. Step 4: Simplify right side
    54,815.93x = 3,684,550,478.54
  5. Step 5: Solve for x
    x = 3,684,550,478.54/54,815.93
  6. Step 6: Final answer
    x = 67,216.79

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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.