Home / 57,916.07-86,818.62-18,447.61

Finding the Fourth Proportional to 57,916.07, 86,818.62 and 18,447.61

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Solution

The fourth proportional to 57,916.07, 86,818.62 and 18,447.61 is: 27,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,916.07 : 86,818.62 = 18,447.61 : x
  2. Step 2: Convert to fraction form
    57,916.07/86,818.62 = 18,447.61/x
  3. Step 3: Cross multiply
    57,916.07x = 86,818.62 × 18,447.61
  4. Step 4: Simplify right side
    57,916.07x = 1,601,596,042.50
  5. Step 5: Solve for x
    x = 1,601,596,042.50/57,916.07
  6. Step 6: Final answer
    x = 27,653.74

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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.