Home / 81,332.46-121,957.76-33,935.27

Finding the Fourth Proportional to 81,332.46, 121,957.76 and 33,935.27

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Solution

The fourth proportional to 81,332.46, 121,957.76 and 33,935.27 is: 50,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,332.46 : 121,957.76 = 33,935.27 : x
  2. Step 2: Convert to fraction form
    81,332.46/121,957.76 = 33,935.27/x
  3. Step 3: Cross multiply
    81,332.46x = 121,957.76 × 33,935.27
  4. Step 4: Simplify right side
    81,332.46x = 4,138,668,989.24
  5. Step 5: Solve for x
    x = 4,138,668,989.24/81,332.46
  6. Step 6: Final answer
    x = 50,885.82

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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.