Home / 76,964.94-106,204.56-45,127.86

Finding the Fourth Proportional to 76,964.94, 106,204.56 and 45,127.86

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Solution

The fourth proportional to 76,964.94, 106,204.56 and 45,127.86 is: 62,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,964.94 : 106,204.56 = 45,127.86 : x
  2. Step 2: Convert to fraction form
    76,964.94/106,204.56 = 45,127.86/x
  3. Step 3: Cross multiply
    76,964.94x = 106,204.56 × 45,127.86
  4. Step 4: Simplify right side
    76,964.94x = 4,792,784,515.04
  5. Step 5: Solve for x
    x = 4,792,784,515.04/76,964.94
  6. Step 6: Final answer
    x = 62,272.31

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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.