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Finding the Fourth Proportional to 45,442.46, 68,057.88 and 43,866

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Solution

The fourth proportional to 45,442.46, 68,057.88 and 43,866 is: 65,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,442.46 : 68,057.88 = 43,866 : x
  2. Step 2: Convert to fraction form
    45,442.46/68,057.88 = 43,866/x
  3. Step 3: Cross multiply
    45,442.46x = 68,057.88 × 43,866
  4. Step 4: Simplify right side
    45,442.46x = 2,985,426,964.08
  5. Step 5: Solve for x
    x = 2,985,426,964.08/45,442.46
  6. Step 6: Final answer
    x = 65,696.86

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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.