Home / 93,340.80-139,986.09-34,176.78

Finding the Fourth Proportional to 93,340.80, 139,986.09 and 34,176.78

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Solution

The fourth proportional to 93,340.80, 139,986.09 and 34,176.78 is: 51,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340.80 : 139,986.09 = 34,176.78 : x
  2. Step 2: Convert to fraction form
    93,340.80/139,986.09 = 34,176.78/x
  3. Step 3: Cross multiply
    93,340.80x = 139,986.09 × 34,176.78
  4. Step 4: Simplify right side
    93,340.80x = 4,784,273,800.99
  5. Step 5: Solve for x
    x = 4,784,273,800.99/93,340.80
  6. Step 6: Final answer
    x = 51,255.98

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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.