Home / 66,521.77-91,799.33-36,306.84

Finding the Fourth Proportional to 66,521.77, 91,799.33 and 36,306.84

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Solution

The fourth proportional to 66,521.77, 91,799.33 and 36,306.84 is: 50,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521.77 : 91,799.33 = 36,306.84 : x
  2. Step 2: Convert to fraction form
    66,521.77/91,799.33 = 36,306.84/x
  3. Step 3: Cross multiply
    66,521.77x = 91,799.33 × 36,306.84
  4. Step 4: Simplify right side
    66,521.77x = 3,332,943,404.88
  5. Step 5: Solve for x
    x = 3,332,943,404.88/66,521.77
  6. Step 6: Final answer
    x = 50,103.05

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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.