Home / 54,708.45-75,519.41-47,021.30

Finding the Fourth Proportional to 54,708.45, 75,519.41 and 47,021.30

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Solution

The fourth proportional to 54,708.45, 75,519.41 and 47,021.30 is: 64,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,708.45 : 75,519.41 = 47,021.30 : x
  2. Step 2: Convert to fraction form
    54,708.45/75,519.41 = 47,021.30/x
  3. Step 3: Cross multiply
    54,708.45x = 75,519.41 × 47,021.30
  4. Step 4: Simplify right side
    54,708.45x = 3,551,020,833.43
  5. Step 5: Solve for x
    x = 3,551,020,833.43/54,708.45
  6. Step 6: Final answer
    x = 64,908.09

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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.