Home / 66,521.18-91,799.34-36,306.56

Finding the Fourth Proportional to 66,521.18, 91,799.34 and 36,306.56

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Solution

The fourth proportional to 66,521.18, 91,799.34 and 36,306.56 is: 50,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521.18 : 91,799.34 = 36,306.56 : x
  2. Step 2: Convert to fraction form
    66,521.18/91,799.34 = 36,306.56/x
  3. Step 3: Cross multiply
    66,521.18x = 91,799.34 × 36,306.56
  4. Step 4: Simplify right side
    66,521.18x = 3,332,918,245.67
  5. Step 5: Solve for x
    x = 3,332,918,245.67/66,521.18
  6. Step 6: Final answer
    x = 50,103.11

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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.