Home / 54,974.73-75,862.80-31,101.81

Finding the Fourth Proportional to 54,974.73, 75,862.80 and 31,101.81

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Solution

The fourth proportional to 54,974.73, 75,862.80 and 31,101.81 is: 42,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,974.73 : 75,862.80 = 31,101.81 : x
  2. Step 2: Convert to fraction form
    54,974.73/75,862.80 = 31,101.81/x
  3. Step 3: Cross multiply
    54,974.73x = 75,862.80 × 31,101.81
  4. Step 4: Simplify right side
    54,974.73x = 2,359,470,391.67
  5. Step 5: Solve for x
    x = 2,359,470,391.67/54,974.73
  6. Step 6: Final answer
    x = 42,919.18

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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.