Home / 66,150.50-91,293.45-36,348.26

Finding the Fourth Proportional to 66,150.50, 91,293.45 and 36,348.26

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Solution

The fourth proportional to 66,150.50, 91,293.45 and 36,348.26 is: 50,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,150.50 : 91,293.45 = 36,348.26 : x
  2. Step 2: Convert to fraction form
    66,150.50/91,293.45 = 36,348.26/x
  3. Step 3: Cross multiply
    66,150.50x = 91,293.45 × 36,348.26
  4. Step 4: Simplify right side
    66,150.50x = 3,318,358,056.90
  5. Step 5: Solve for x
    x = 3,318,358,056.90/66,150.50
  6. Step 6: Final answer
    x = 50,163.76

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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.