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Finding the Fourth Proportional to 61,443.22, 92,017.20 and 35,068

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Solution

The fourth proportional to 61,443.22, 92,017.20 and 35,068 is: 52,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,443.22 : 92,017.20 = 35,068 : x
  2. Step 2: Convert to fraction form
    61,443.22/92,017.20 = 35,068/x
  3. Step 3: Cross multiply
    61,443.22x = 92,017.20 × 35,068
  4. Step 4: Simplify right side
    61,443.22x = 3,226,859,169.60
  5. Step 5: Solve for x
    x = 3,226,859,169.60/61,443.22
  6. Step 6: Final answer
    x = 52,517.74

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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.