Home / 91,286.88-136,677.84-46,817.76

Finding the Fourth Proportional to 91,286.88, 136,677.84 and 46,817.76

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Solution

The fourth proportional to 91,286.88, 136,677.84 and 46,817.76 is: 70,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,286.88 : 136,677.84 = 46,817.76 : x
  2. Step 2: Convert to fraction form
    91,286.88/136,677.84 = 46,817.76/x
  3. Step 3: Cross multiply
    91,286.88x = 136,677.84 × 46,817.76
  4. Step 4: Simplify right side
    91,286.88x = 6,398,950,310.44
  5. Step 5: Solve for x
    x = 6,398,950,310.44/91,286.88
  6. Step 6: Final answer
    x = 70,097.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.