Home / 66,236.46-91,403.55-37,944.78

Finding the Fourth Proportional to 66,236.46, 91,403.55 and 37,944.78

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Solution

The fourth proportional to 66,236.46, 91,403.55 and 37,944.78 is: 52,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,236.46 : 91,403.55 = 37,944.78 : x
  2. Step 2: Convert to fraction form
    66,236.46/91,403.55 = 37,944.78/x
  3. Step 3: Cross multiply
    66,236.46x = 91,403.55 × 37,944.78
  4. Step 4: Simplify right side
    66,236.46x = 3,468,287,595.97
  5. Step 5: Solve for x
    x = 3,468,287,595.97/66,236.46
  6. Step 6: Final answer
    x = 52,362.21

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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.