Home / 66,441.06-91,653.53-40,952.79

Finding the Fourth Proportional to 66,441.06, 91,653.53 and 40,952.79

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Solution

The fourth proportional to 66,441.06, 91,653.53 and 40,952.79 is: 56,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441.06 : 91,653.53 = 40,952.79 : x
  2. Step 2: Convert to fraction form
    66,441.06/91,653.53 = 40,952.79/x
  3. Step 3: Cross multiply
    66,441.06x = 91,653.53 × 40,952.79
  4. Step 4: Simplify right side
    66,441.06x = 3,753,467,562.08
  5. Step 5: Solve for x
    x = 3,753,467,562.08/66,441.06
  6. Step 6: Final answer
    x = 56,493.19

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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.