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Finding the Fourth Proportional to 61,576.92, 92,185.35 and 55,667.35

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Solution

The fourth proportional to 61,576.92, 92,185.35 and 55,667.35 is: 83,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,576.92 : 92,185.35 = 55,667.35 : x
  2. Step 2: Convert to fraction form
    61,576.92/92,185.35 = 55,667.35/x
  3. Step 3: Cross multiply
    61,576.92x = 92,185.35 × 55,667.35
  4. Step 4: Simplify right side
    61,576.92x = 5,131,714,441.21
  5. Step 5: Solve for x
    x = 5,131,714,441.21/61,576.92
  6. Step 6: Final answer
    x = 83,338.28

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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.