Home / 76,142.62-114,213.12-29,362.69

Finding the Fourth Proportional to 76,142.62, 114,213.12 and 29,362.69

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Solution

The fourth proportional to 76,142.62, 114,213.12 and 29,362.69 is: 44,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,142.62 : 114,213.12 = 29,362.69 : x
  2. Step 2: Convert to fraction form
    76,142.62/114,213.12 = 29,362.69/x
  3. Step 3: Cross multiply
    76,142.62x = 114,213.12 × 29,362.69
  4. Step 4: Simplify right side
    76,142.62x = 3,353,604,436.49
  5. Step 5: Solve for x
    x = 3,353,604,436.49/76,142.62
  6. Step 6: Final answer
    x = 44,043.72

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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.