Home / 76,455.66-105,517.20-43,753.11

Finding the Fourth Proportional to 76,455.66, 105,517.20 and 43,753.11

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Solution

The fourth proportional to 76,455.66, 105,517.20 and 43,753.11 is: 60,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,455.66 : 105,517.20 = 43,753.11 : x
  2. Step 2: Convert to fraction form
    76,455.66/105,517.20 = 43,753.11/x
  3. Step 3: Cross multiply
    76,455.66x = 105,517.20 × 43,753.11
  4. Step 4: Simplify right side
    76,455.66x = 4,616,704,912.14
  5. Step 5: Solve for x
    x = 4,616,704,912.14/76,455.66
  6. Step 6: Final answer
    x = 60,384.08

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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.