Home / 54,262.23-81,518.09-38,288.53

Finding the Fourth Proportional to 54,262.23, 81,518.09 and 38,288.53

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Solution

The fourth proportional to 54,262.23, 81,518.09 and 38,288.53 is: 57,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,262.23 : 81,518.09 = 38,288.53 : x
  2. Step 2: Convert to fraction form
    54,262.23/81,518.09 = 38,288.53/x
  3. Step 3: Cross multiply
    54,262.23x = 81,518.09 × 38,288.53
  4. Step 4: Simplify right side
    54,262.23x = 3,121,207,834.51
  5. Step 5: Solve for x
    x = 3,121,207,834.51/54,262.23
  6. Step 6: Final answer
    x = 57,520.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.