Home / 103,843.80-143,305.02-58,522.50

Finding the Fourth Proportional to 103,843.80, 143,305.02 and 58,522.50

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Solution

The fourth proportional to 103,843.80, 143,305.02 and 58,522.50 is: 80,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,843.80 : 143,305.02 = 58,522.50 : x
  2. Step 2: Convert to fraction form
    103,843.80/143,305.02 = 58,522.50/x
  3. Step 3: Cross multiply
    103,843.80x = 143,305.02 × 58,522.50
  4. Step 4: Simplify right side
    103,843.80x = 8,386,568,032.95
  5. Step 5: Solve for x
    x = 8,386,568,032.95/103,843.80
  6. Step 6: Final answer
    x = 80,761.37

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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.