Home / 66,913.09-92,331.50-38,234.57

Finding the Fourth Proportional to 66,913.09, 92,331.50 and 38,234.57

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Solution

The fourth proportional to 66,913.09, 92,331.50 and 38,234.57 is: 52,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.09 : 92,331.50 = 38,234.57 : x
  2. Step 2: Convert to fraction form
    66,913.09/92,331.50 = 38,234.57/x
  3. Step 3: Cross multiply
    66,913.09x = 92,331.50 × 38,234.57
  4. Step 4: Simplify right side
    66,913.09x = 3,530,254,936.65
  5. Step 5: Solve for x
    x = 3,530,254,936.65/66,913.09
  6. Step 6: Final answer
    x = 52,758.81

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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.