Home / 103,217.92-154,778.07-40,068.29

Finding the Fourth Proportional to 103,217.92, 154,778.07 and 40,068.29

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Solution

The fourth proportional to 103,217.92, 154,778.07 and 40,068.29 is: 60,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,217.92 : 154,778.07 = 40,068.29 : x
  2. Step 2: Convert to fraction form
    103,217.92/154,778.07 = 40,068.29/x
  3. Step 3: Cross multiply
    103,217.92x = 154,778.07 × 40,068.29
  4. Step 4: Simplify right side
    103,217.92x = 6,201,692,594.40
  5. Step 5: Solve for x
    x = 6,201,692,594.40/103,217.92
  6. Step 6: Final answer
    x = 60,083.49

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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.