Home / 66,840.28-92,239.55-36,625.66

Finding the Fourth Proportional to 66,840.28, 92,239.55 and 36,625.66

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Solution

The fourth proportional to 66,840.28, 92,239.55 and 36,625.66 is: 50,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,840.28 : 92,239.55 = 36,625.66 : x
  2. Step 2: Convert to fraction form
    66,840.28/92,239.55 = 36,625.66/x
  3. Step 3: Cross multiply
    66,840.28x = 92,239.55 × 36,625.66
  4. Step 4: Simplify right side
    66,840.28x = 3,378,334,396.85
  5. Step 5: Solve for x
    x = 3,378,334,396.85/66,840.28
  6. Step 6: Final answer
    x = 50,543.39

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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.