Home / 66,416.13-91,653.77-36,201.36

Finding the Fourth Proportional to 66,416.13, 91,653.77 and 36,201.36

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Solution

The fourth proportional to 66,416.13, 91,653.77 and 36,201.36 is: 49,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,416.13 : 91,653.77 = 36,201.36 : x
  2. Step 2: Convert to fraction form
    66,416.13/91,653.77 = 36,201.36/x
  3. Step 3: Cross multiply
    66,416.13x = 91,653.77 × 36,201.36
  4. Step 4: Simplify right side
    66,416.13x = 3,317,990,942.12
  5. Step 5: Solve for x
    x = 3,317,990,942.12/66,416.13
  6. Step 6: Final answer
    x = 49,957.61

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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.