Home / 59,789.31-89,689.13-15,415.68

Finding the Fourth Proportional to 59,789.31, 89,689.13 and 15,415.68

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Solution

The fourth proportional to 59,789.31, 89,689.13 and 15,415.68 is: 23,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,789.31 : 89,689.13 = 15,415.68 : x
  2. Step 2: Convert to fraction form
    59,789.31/89,689.13 = 15,415.68/x
  3. Step 3: Cross multiply
    59,789.31x = 89,689.13 × 15,415.68
  4. Step 4: Simplify right side
    59,789.31x = 1,382,618,927.56
  5. Step 5: Solve for x
    x = 1,382,618,927.56/59,789.31
  6. Step 6: Final answer
    x = 23,124.85

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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.