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Finding the Fourth Proportional to 66,702.98, 92,073.56 and 41,228.89

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Solution

The fourth proportional to 66,702.98, 92,073.56 and 41,228.89 is: 56,910.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,702.98 : 92,073.56 = 41,228.89 : x
  2. Step 2: Convert to fraction form
    66,702.98/92,073.56 = 41,228.89/x
  3. Step 3: Cross multiply
    66,702.98x = 92,073.56 × 41,228.89
  4. Step 4: Simplify right side
    66,702.98x = 3,796,090,240.82
  5. Step 5: Solve for x
    x = 3,796,090,240.82/66,702.98
  6. Step 6: Final answer
    x = 56,910.35

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1.5x scale

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.