Home / 66,536.69-91,806.93-38,236.91

Finding the Fourth Proportional to 66,536.69, 91,806.93 and 38,236.91

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Solution

The fourth proportional to 66,536.69, 91,806.93 and 38,236.91 is: 52,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,536.69 : 91,806.93 = 38,236.91 : x
  2. Step 2: Convert to fraction form
    66,536.69/91,806.93 = 38,236.91/x
  3. Step 3: Cross multiply
    66,536.69x = 91,806.93 × 38,236.91
  4. Step 4: Simplify right side
    66,536.69x = 3,510,412,860.75
  5. Step 5: Solve for x
    x = 3,510,412,860.75/66,536.69
  6. Step 6: Final answer
    x = 52,759.06

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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.