Home / 67,576.72-101,374.52-20,833.36

Finding the Fourth Proportional to 67,576.72, 101,374.52 and 20,833.36

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Solution

The fourth proportional to 67,576.72, 101,374.52 and 20,833.36 is: 31,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,576.72 : 101,374.52 = 20,833.36 : x
  2. Step 2: Convert to fraction form
    67,576.72/101,374.52 = 20,833.36/x
  3. Step 3: Cross multiply
    67,576.72x = 101,374.52 × 20,833.36
  4. Step 4: Simplify right side
    67,576.72x = 2,111,971,869.99
  5. Step 5: Solve for x
    x = 2,111,971,869.99/67,576.72
  6. Step 6: Final answer
    x = 31,252.95

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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.