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Finding the Fourth Proportional to 58,821.80, 88,103.10 and 41,196.20

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Solution

The fourth proportional to 58,821.80, 88,103.10 and 41,196.20 is: 61,703.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,821.80 : 88,103.10 = 41,196.20 : x
  2. Step 2: Convert to fraction form
    58,821.80/88,103.10 = 41,196.20/x
  3. Step 3: Cross multiply
    58,821.80x = 88,103.10 × 41,196.20
  4. Step 4: Simplify right side
    58,821.80x = 3,629,512,928.22
  5. Step 5: Solve for x
    x = 3,629,512,928.22/58,821.80
  6. Step 6: Final answer
    x = 61,703.53

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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.