Home / 66,403.28-91,633.83-36,187.94

Finding the Fourth Proportional to 66,403.28, 91,633.83 and 36,187.94

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Solution

The fourth proportional to 66,403.28, 91,633.83 and 36,187.94 is: 49,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,403.28 : 91,633.83 = 36,187.94 : x
  2. Step 2: Convert to fraction form
    66,403.28/91,633.83 = 36,187.94/x
  3. Step 3: Cross multiply
    66,403.28x = 91,633.83 × 36,187.94
  4. Step 4: Simplify right side
    66,403.28x = 3,316,039,083.84
  5. Step 5: Solve for x
    x = 3,316,039,083.84/66,403.28
  6. Step 6: Final answer
    x = 49,937.88

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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.