Home / 66,451.67-91,705.51-36,238.64

Finding the Fourth Proportional to 66,451.67, 91,705.51 and 36,238.64

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Solution

The fourth proportional to 66,451.67, 91,705.51 and 36,238.64 is: 50,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,451.67 : 91,705.51 = 36,238.64 : x
  2. Step 2: Convert to fraction form
    66,451.67/91,705.51 = 36,238.64/x
  3. Step 3: Cross multiply
    66,451.67x = 91,705.51 × 36,238.64
  4. Step 4: Simplify right side
    66,451.67x = 3,323,282,824.24
  5. Step 5: Solve for x
    x = 3,323,282,824.24/66,451.67
  6. Step 6: Final answer
    x = 50,010.53

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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.