Home / 54,933.51-75,809.73-31,063.75

Finding the Fourth Proportional to 54,933.51, 75,809.73 and 31,063.75

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Solution

The fourth proportional to 54,933.51, 75,809.73 and 31,063.75 is: 42,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,933.51 : 75,809.73 = 31,063.75 : x
  2. Step 2: Convert to fraction form
    54,933.51/75,809.73 = 31,063.75/x
  3. Step 3: Cross multiply
    54,933.51x = 75,809.73 × 31,063.75
  4. Step 4: Simplify right side
    54,933.51x = 2,354,934,500.29
  5. Step 5: Solve for x
    x = 2,354,934,500.29/54,933.51
  6. Step 6: Final answer
    x = 42,868.82

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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.