Home / 66,872.93-92,285.60-40,016.57

Finding the Fourth Proportional to 66,872.93, 92,285.60 and 40,016.57

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Solution

The fourth proportional to 66,872.93, 92,285.60 and 40,016.57 is: 55,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,872.93 : 92,285.60 = 40,016.57 : x
  2. Step 2: Convert to fraction form
    66,872.93/92,285.60 = 40,016.57/x
  3. Step 3: Cross multiply
    66,872.93x = 92,285.60 × 40,016.57
  4. Step 4: Simplify right side
    66,872.93x = 3,692,952,510.88
  5. Step 5: Solve for x
    x = 3,692,952,510.88/66,872.93
  6. Step 6: Final answer
    x = 55,223.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.