Home / 104,042.16-143,578.69-58,722.06

Finding the Fourth Proportional to 104,042.16, 143,578.69 and 58,722.06

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Solution

The fourth proportional to 104,042.16, 143,578.69 and 58,722.06 is: 81,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,042.16 : 143,578.69 = 58,722.06 : x
  2. Step 2: Convert to fraction form
    104,042.16/143,578.69 = 58,722.06/x
  3. Step 3: Cross multiply
    104,042.16x = 143,578.69 × 58,722.06
  4. Step 4: Simplify right side
    104,042.16x = 8,431,236,448.90
  5. Step 5: Solve for x
    x = 8,431,236,448.90/104,042.16
  6. Step 6: Final answer
    x = 81,036.73

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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.