Home / 66,895.06-92,311.63-38,209.09

Finding the Fourth Proportional to 66,895.06, 92,311.63 and 38,209.09

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Solution

The fourth proportional to 66,895.06, 92,311.63 and 38,209.09 is: 52,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,895.06 : 92,311.63 = 38,209.09 : x
  2. Step 2: Convert to fraction form
    66,895.06/92,311.63 = 38,209.09/x
  3. Step 3: Cross multiply
    66,895.06x = 92,311.63 × 38,209.09
  4. Step 4: Simplify right side
    66,895.06x = 3,527,143,378.72
  5. Step 5: Solve for x
    x = 3,527,143,378.72/66,895.06
  6. Step 6: Final answer
    x = 52,726.51

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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.