Home / 67,391.45-92,999.94-37,178.65

Finding the Fourth Proportional to 67,391.45, 92,999.94 and 37,178.65

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Solution

The fourth proportional to 67,391.45, 92,999.94 and 37,178.65 is: 51,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,391.45 : 92,999.94 = 37,178.65 : x
  2. Step 2: Convert to fraction form
    67,391.45/92,999.94 = 37,178.65/x
  3. Step 3: Cross multiply
    67,391.45x = 92,999.94 × 37,178.65
  4. Step 4: Simplify right side
    67,391.45x = 3,457,612,033.39
  5. Step 5: Solve for x
    x = 3,457,612,033.39/67,391.45
  6. Step 6: Final answer
    x = 51,306.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.