Home / 81,956.52-122,964.12-34,583.40

Finding the Fourth Proportional to 81,956.52, 122,964.12 and 34,583.40

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Solution

The fourth proportional to 81,956.52, 122,964.12 and 34,583.40 is: 51,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,956.52 : 122,964.12 = 34,583.40 : x
  2. Step 2: Convert to fraction form
    81,956.52/122,964.12 = 34,583.40/x
  3. Step 3: Cross multiply
    81,956.52x = 122,964.12 × 34,583.40
  4. Step 4: Simplify right side
    81,956.52x = 4,252,517,347.61
  5. Step 5: Solve for x
    x = 4,252,517,347.61/81,956.52
  6. Step 6: Final answer
    x = 51,887.48

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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.