Home / 93,020.92-139,540.50-36,858.76

Finding the Fourth Proportional to 93,020.92, 139,540.50 and 36,858.76

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Solution

The fourth proportional to 93,020.92, 139,540.50 and 36,858.76 is: 55,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,020.92 : 139,540.50 = 36,858.76 : x
  2. Step 2: Convert to fraction form
    93,020.92/139,540.50 = 36,858.76/x
  3. Step 3: Cross multiply
    93,020.92x = 139,540.50 × 36,858.76
  4. Step 4: Simplify right side
    93,020.92x = 5,143,289,799.78
  5. Step 5: Solve for x
    x = 5,143,289,799.78/93,020.92
  6. Step 6: Final answer
    x = 55,291.75

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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.