Home / 59,789.33-89,689.15-15,415.70

Finding the Fourth Proportional to 59,789.33, 89,689.15 and 15,415.70

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Solution

The fourth proportional to 59,789.33, 89,689.15 and 15,415.70 is: 23,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,789.33 : 89,689.15 = 15,415.70 : x
  2. Step 2: Convert to fraction form
    59,789.33/89,689.15 = 15,415.70/x
  3. Step 3: Cross multiply
    59,789.33x = 89,689.15 × 15,415.70
  4. Step 4: Simplify right side
    59,789.33x = 1,382,621,029.66
  5. Step 5: Solve for x
    x = 1,382,621,029.66/59,789.33
  6. Step 6: Final answer
    x = 23,124.88

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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.