Home / 66,866.12-92,272.80-36,650.60

Finding the Fourth Proportional to 66,866.12, 92,272.80 and 36,650.60

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Solution

The fourth proportional to 66,866.12, 92,272.80 and 36,650.60 is: 50,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,866.12 : 92,272.80 = 36,650.60 : x
  2. Step 2: Convert to fraction form
    66,866.12/92,272.80 = 36,650.60/x
  3. Step 3: Cross multiply
    66,866.12x = 92,272.80 × 36,650.60
  4. Step 4: Simplify right side
    66,866.12x = 3,381,853,483.68
  5. Step 5: Solve for x
    x = 3,381,853,483.68/66,866.12
  6. Step 6: Final answer
    x = 50,576.49

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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.