Home / 66,325.21-91,530.43-36,112.16

Finding the Fourth Proportional to 66,325.21, 91,530.43 and 36,112.16

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Solution

The fourth proportional to 66,325.21, 91,530.43 and 36,112.16 is: 49,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,325.21 : 91,530.43 = 36,112.16 : x
  2. Step 2: Convert to fraction form
    66,325.21/91,530.43 = 36,112.16/x
  3. Step 3: Cross multiply
    66,325.21x = 91,530.43 × 36,112.16
  4. Step 4: Simplify right side
    66,325.21x = 3,305,361,671.57
  5. Step 5: Solve for x
    x = 3,305,361,671.57/66,325.21
  6. Step 6: Final answer
    x = 49,835.68

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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.