Home / 66,865.26-92,272.05-36,649.92

Finding the Fourth Proportional to 66,865.26, 92,272.05 and 36,649.92

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Solution

The fourth proportional to 66,865.26, 92,272.05 and 36,649.92 is: 50,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,865.26 : 92,272.05 = 36,649.92 : x
  2. Step 2: Convert to fraction form
    66,865.26/92,272.05 = 36,649.92/x
  3. Step 3: Cross multiply
    66,865.26x = 92,272.05 × 36,649.92
  4. Step 4: Simplify right side
    66,865.26x = 3,381,763,250.74
  5. Step 5: Solve for x
    x = 3,381,763,250.74/66,865.26
  6. Step 6: Final answer
    x = 50,575.79

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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.