Home / 113,951.91-170,919.63-49,916.55

Finding the Fourth Proportional to 113,951.91, 170,919.63 and 49,916.55

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Solution

The fourth proportional to 113,951.91, 170,919.63 and 49,916.55 is: 74,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,951.91 : 170,919.63 = 49,916.55 : x
  2. Step 2: Convert to fraction form
    113,951.91/170,919.63 = 49,916.55/x
  3. Step 3: Cross multiply
    113,951.91x = 170,919.63 × 49,916.55
  4. Step 4: Simplify right side
    113,951.91x = 8,531,718,007.29
  5. Step 5: Solve for x
    x = 8,531,718,007.29/113,951.91
  6. Step 6: Final answer
    x = 74,871.22

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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.