Home / 103,919.33-143,396.49-58,594.61

Finding the Fourth Proportional to 103,919.33, 143,396.49 and 58,594.61

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Solution

The fourth proportional to 103,919.33, 143,396.49 and 58,594.61 is: 80,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,919.33 : 143,396.49 = 58,594.61 : x
  2. Step 2: Convert to fraction form
    103,919.33/143,396.49 = 58,594.61/x
  3. Step 3: Cross multiply
    103,919.33x = 143,396.49 × 58,594.61
  4. Step 4: Simplify right side
    103,919.33x = 8,402,261,545.68
  5. Step 5: Solve for x
    x = 8,402,261,545.68/103,919.33
  6. Step 6: Final answer
    x = 80,853.69

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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.