Home / 93,211.38-139,818.51-51,920.82

Finding the Fourth Proportional to 93,211.38, 139,818.51 and 51,920.82

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Solution

The fourth proportional to 93,211.38, 139,818.51 and 51,920.82 is: 77,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,211.38 : 139,818.51 = 51,920.82 : x
  2. Step 2: Convert to fraction form
    93,211.38/139,818.51 = 51,920.82/x
  3. Step 3: Cross multiply
    93,211.38x = 139,818.51 × 51,920.82
  4. Step 4: Simplify right side
    93,211.38x = 7,259,491,690.38
  5. Step 5: Solve for x
    x = 7,259,491,690.38/93,211.38
  6. Step 6: Final answer
    x = 77,882.03

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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.