Home / 54,788.14-75,616.89-31,814.38

Finding the Fourth Proportional to 54,788.14, 75,616.89 and 31,814.38

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Solution

The fourth proportional to 54,788.14, 75,616.89 and 31,814.38 is: 43,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,788.14 : 75,616.89 = 31,814.38 : x
  2. Step 2: Convert to fraction form
    54,788.14/75,616.89 = 31,814.38/x
  3. Step 3: Cross multiply
    54,788.14x = 75,616.89 × 31,814.38
  4. Step 4: Simplify right side
    54,788.14x = 2,405,704,472.88
  5. Step 5: Solve for x
    x = 2,405,704,472.88/54,788.14
  6. Step 6: Final answer
    x = 43,909.22

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1.5x scale

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.