Home / 79,890.71-119,815.31-23,717.61

Finding the Fourth Proportional to 79,890.71, 119,815.31 and 23,717.61

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Solution

The fourth proportional to 79,890.71, 119,815.31 and 23,717.61 is: 35,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.71 : 119,815.31 = 23,717.61 : x
  2. Step 2: Convert to fraction form
    79,890.71/119,815.31 = 23,717.61/x
  3. Step 3: Cross multiply
    79,890.71x = 119,815.31 × 23,717.61
  4. Step 4: Simplify right side
    79,890.71x = 2,841,732,853.90
  5. Step 5: Solve for x
    x = 2,841,732,853.90/79,890.71
  6. Step 6: Final answer
    x = 35,570.26

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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.