Home / 45,601.65-68,419.38-15,618.87

Finding the Fourth Proportional to 45,601.65, 68,419.38 and 15,618.87

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Solution

The fourth proportional to 45,601.65, 68,419.38 and 15,618.87 is: 23,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,601.65 : 68,419.38 = 15,618.87 : x
  2. Step 2: Convert to fraction form
    45,601.65/68,419.38 = 15,618.87/x
  3. Step 3: Cross multiply
    45,601.65x = 68,419.38 × 15,618.87
  4. Step 4: Simplify right side
    45,601.65x = 1,068,633,323.61
  5. Step 5: Solve for x
    x = 1,068,633,323.61/45,601.65
  6. Step 6: Final answer
    x = 23,434.09

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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.