Home / 93,139.27-139,692.26-39,861.18

Finding the Fourth Proportional to 93,139.27, 139,692.26 and 39,861.18

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Solution

The fourth proportional to 93,139.27, 139,692.26 and 39,861.18 is: 59,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,139.27 : 139,692.26 = 39,861.18 : x
  2. Step 2: Convert to fraction form
    93,139.27/139,692.26 = 39,861.18/x
  3. Step 3: Cross multiply
    93,139.27x = 139,692.26 × 39,861.18
  4. Step 4: Simplify right side
    93,139.27x = 5,568,298,420.12
  5. Step 5: Solve for x
    x = 5,568,298,420.12/93,139.27
  6. Step 6: Final answer
    x = 59,784.65

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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.