Home / 66,286.39-91,477.14-36,073.66

Finding the Fourth Proportional to 66,286.39, 91,477.14 and 36,073.66

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Solution

The fourth proportional to 66,286.39, 91,477.14 and 36,073.66 is: 49,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,286.39 : 91,477.14 = 36,073.66 : x
  2. Step 2: Convert to fraction form
    66,286.39/91,477.14 = 36,073.66/x
  3. Step 3: Cross multiply
    66,286.39x = 91,477.14 × 36,073.66
  4. Step 4: Simplify right side
    66,286.39x = 3,299,915,017.44
  5. Step 5: Solve for x
    x = 3,299,915,017.44/66,286.39
  6. Step 6: Final answer
    x = 49,782.70

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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.