Home / 103,802.72-143,250.74-58,481.19

Finding the Fourth Proportional to 103,802.72, 143,250.74 and 58,481.19

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Solution

The fourth proportional to 103,802.72, 143,250.74 and 58,481.19 is: 80,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,802.72 : 143,250.74 = 58,481.19 : x
  2. Step 2: Convert to fraction form
    103,802.72/143,250.74 = 58,481.19/x
  3. Step 3: Cross multiply
    103,802.72x = 143,250.74 × 58,481.19
  4. Step 4: Simplify right side
    103,802.72x = 8,377,473,451.17
  5. Step 5: Solve for x
    x = 8,377,473,451.17/103,802.72
  6. Step 6: Final answer
    x = 80,705.73

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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.