Home / 66,454.70-91,705.44-37,777.49

Finding the Fourth Proportional to 66,454.70, 91,705.44 and 37,777.49

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Solution

The fourth proportional to 66,454.70, 91,705.44 and 37,777.49 is: 52,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454.70 : 91,705.44 = 37,777.49 : x
  2. Step 2: Convert to fraction form
    66,454.70/91,705.44 = 37,777.49/x
  3. Step 3: Cross multiply
    66,454.70x = 91,705.44 × 37,777.49
  4. Step 4: Simplify right side
    66,454.70x = 3,464,400,884.02
  5. Step 5: Solve for x
    x = 3,464,400,884.02/66,454.70
  6. Step 6: Final answer
    x = 52,131.77

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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.