Home / 66,195.02-91,310.90-41,986.76

Finding the Fourth Proportional to 66,195.02, 91,310.90 and 41,986.76

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Solution

The fourth proportional to 66,195.02, 91,310.90 and 41,986.76 is: 57,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,195.02 : 91,310.90 = 41,986.76 : x
  2. Step 2: Convert to fraction form
    66,195.02/91,310.90 = 41,986.76/x
  3. Step 3: Cross multiply
    66,195.02x = 91,310.90 × 41,986.76
  4. Step 4: Simplify right side
    66,195.02x = 3,833,848,177.20
  5. Step 5: Solve for x
    x = 3,833,848,177.20/66,195.02
  6. Step 6: Final answer
    x = 57,917.47

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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.