Home / 54,409.25-75,085.04-31,763.81

Finding the Fourth Proportional to 54,409.25, 75,085.04 and 31,763.81

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Solution

The fourth proportional to 54,409.25, 75,085.04 and 31,763.81 is: 43,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,409.25 : 75,085.04 = 31,763.81 : x
  2. Step 2: Convert to fraction form
    54,409.25/75,085.04 = 31,763.81/x
  3. Step 3: Cross multiply
    54,409.25x = 75,085.04 × 31,763.81
  4. Step 4: Simplify right side
    54,409.25x = 2,384,986,785.58
  5. Step 5: Solve for x
    x = 2,384,986,785.58/54,409.25
  6. Step 6: Final answer
    x = 43,834.22

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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.