Home / 81,925.59-122,936.16-34,537.79

Finding the Fourth Proportional to 81,925.59, 122,936.16 and 34,537.79

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Solution

The fourth proportional to 81,925.59, 122,936.16 and 34,537.79 is: 51,826.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,925.59 : 122,936.16 = 34,537.79 : x
  2. Step 2: Convert to fraction form
    81,925.59/122,936.16 = 34,537.79/x
  3. Step 3: Cross multiply
    81,925.59x = 122,936.16 × 34,537.79
  4. Step 4: Simplify right side
    81,925.59x = 4,245,942,490.12
  5. Step 5: Solve for x
    x = 4,245,942,490.12/81,925.59
  6. Step 6: Final answer
    x = 51,826.82

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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.