Home / 66,961.18-92,407.18-36,745.66

Finding the Fourth Proportional to 66,961.18, 92,407.18 and 36,745.66

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Solution

The fourth proportional to 66,961.18, 92,407.18 and 36,745.66 is: 50,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,961.18 : 92,407.18 = 36,745.66 : x
  2. Step 2: Convert to fraction form
    66,961.18/92,407.18 = 36,745.66/x
  3. Step 3: Cross multiply
    66,961.18x = 92,407.18 × 36,745.66
  4. Step 4: Simplify right side
    66,961.18x = 3,395,562,817.84
  5. Step 5: Solve for x
    x = 3,395,562,817.84/66,961.18
  6. Step 6: Final answer
    x = 50,709.42

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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.