Home / 66,113.37-91,236.48-35,898.75

Finding the Fourth Proportional to 66,113.37, 91,236.48 and 35,898.75

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Solution

The fourth proportional to 66,113.37, 91,236.48 and 35,898.75 is: 49,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113.37 : 91,236.48 = 35,898.75 : x
  2. Step 2: Convert to fraction form
    66,113.37/91,236.48 = 35,898.75/x
  3. Step 3: Cross multiply
    66,113.37x = 91,236.48 × 35,898.75
  4. Step 4: Simplify right side
    66,113.37x = 3,275,275,586.40
  5. Step 5: Solve for x
    x = 3,275,275,586.40/66,113.37
  6. Step 6: Final answer
    x = 49,540.29

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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.