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Finding the Fourth Proportional to 61,898.43, 92,696.22 and 55,907.97

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Solution

The fourth proportional to 61,898.43, 92,696.22 and 55,907.97 is: 83,725.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,898.43 : 92,696.22 = 55,907.97 : x
  2. Step 2: Convert to fraction form
    61,898.43/92,696.22 = 55,907.97/x
  3. Step 3: Cross multiply
    61,898.43x = 92,696.22 × 55,907.97
  4. Step 4: Simplify right side
    61,898.43x = 5,182,457,023.39
  5. Step 5: Solve for x
    x = 5,182,457,023.39/61,898.43
  6. Step 6: Final answer
    x = 83,725.18

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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.