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Finding the Fourth Proportional to 59,389.20, 88,767.90 and 41,893.20

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Solution

The fourth proportional to 59,389.20, 88,767.90 and 41,893.20 is: 62,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,389.20 : 88,767.90 = 41,893.20 : x
  2. Step 2: Convert to fraction form
    59,389.20/88,767.90 = 41,893.20/x
  3. Step 3: Cross multiply
    59,389.20x = 88,767.90 × 41,893.20
  4. Step 4: Simplify right side
    59,389.20x = 3,718,771,388.28
  5. Step 5: Solve for x
    x = 3,718,771,388.28/59,389.20
  6. Step 6: Final answer
    x = 62,616.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.