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Finding the Fourth Proportional to 45,702.50, 68,560.25 and 14,115.17

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Solution

The fourth proportional to 45,702.50, 68,560.25 and 14,115.17 is: 21,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,702.50 : 68,560.25 = 14,115.17 : x
  2. Step 2: Convert to fraction form
    45,702.50/68,560.25 = 14,115.17/x
  3. Step 3: Cross multiply
    45,702.50x = 68,560.25 × 14,115.17
  4. Step 4: Simplify right side
    45,702.50x = 967,739,684.82
  5. Step 5: Solve for x
    x = 967,739,684.82/45,702.50
  6. Step 6: Final answer
    x = 21,174.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.