Home / 54,934.88-75,811.73-31,061.03

Finding the Fourth Proportional to 54,934.88, 75,811.73 and 31,061.03

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Solution

The fourth proportional to 54,934.88, 75,811.73 and 31,061.03 is: 42,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,934.88 : 75,811.73 = 31,061.03 : x
  2. Step 2: Convert to fraction form
    54,934.88/75,811.73 = 31,061.03/x
  3. Step 3: Cross multiply
    54,934.88x = 75,811.73 × 31,061.03
  4. Step 4: Simplify right side
    54,934.88x = 2,354,789,885.52
  5. Step 5: Solve for x
    x = 2,354,789,885.52/54,934.88
  6. Step 6: Final answer
    x = 42,865.12

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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.