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Finding the Fourth Proportional to 66,534.44, 91,817.52 and 45,350.72

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Solution

The fourth proportional to 66,534.44, 91,817.52 and 45,350.72 is: 62,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,534.44 : 91,817.52 = 45,350.72 : x
  2. Step 2: Convert to fraction form
    66,534.44/91,817.52 = 45,350.72/x
  3. Step 3: Cross multiply
    66,534.44x = 91,817.52 × 45,350.72
  4. Step 4: Simplify right side
    66,534.44x = 4,163,990,640.61
  5. Step 5: Solve for x
    x = 4,163,990,640.61/66,534.44
  6. Step 6: Final answer
    x = 62,583.99

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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.