Home / 82,789.94-124,193.79-35,409.95

Finding the Fourth Proportional to 82,789.94, 124,193.79 and 35,409.95

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Solution

The fourth proportional to 82,789.94, 124,193.79 and 35,409.95 is: 53,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,789.94 : 124,193.79 = 35,409.95 : x
  2. Step 2: Convert to fraction form
    82,789.94/124,193.79 = 35,409.95/x
  3. Step 3: Cross multiply
    82,789.94x = 124,193.79 × 35,409.95
  4. Step 4: Simplify right side
    82,789.94x = 4,397,695,096.19
  5. Step 5: Solve for x
    x = 4,397,695,096.19/82,789.94
  6. Step 6: Final answer
    x = 53,118.72

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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.