Home / 76,945.92-115,462.08-35,396.16

Finding the Fourth Proportional to 76,945.92, 115,462.08 and 35,396.16

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Solution

The fourth proportional to 76,945.92, 115,462.08 and 35,396.16 is: 53,114.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,945.92 : 115,462.08 = 35,396.16 : x
  2. Step 2: Convert to fraction form
    76,945.92/115,462.08 = 35,396.16/x
  3. Step 3: Cross multiply
    76,945.92x = 115,462.08 × 35,396.16
  4. Step 4: Simplify right side
    76,945.92x = 4,086,914,257.61
  5. Step 5: Solve for x
    x = 4,086,914,257.61/76,945.92
  6. Step 6: Final answer
    x = 53,114.11

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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.