Home / 54,085.19-81,169.63-35,360.15

Finding the Fourth Proportional to 54,085.19, 81,169.63 and 35,360.15

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Solution

The fourth proportional to 54,085.19, 81,169.63 and 35,360.15 is: 53,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,085.19 : 81,169.63 = 35,360.15 : x
  2. Step 2: Convert to fraction form
    54,085.19/81,169.63 = 35,360.15/x
  3. Step 3: Cross multiply
    54,085.19x = 81,169.63 × 35,360.15
  4. Step 4: Simplify right side
    54,085.19x = 2,870,169,798.00
  5. Step 5: Solve for x
    x = 2,870,169,798.00/54,085.19
  6. Step 6: Final answer
    x = 53,067.58

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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.