Home / 77,299.45-115,901.79-32,900.92

Finding the Fourth Proportional to 77,299.45, 115,901.79 and 32,900.92

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Solution

The fourth proportional to 77,299.45, 115,901.79 and 32,900.92 is: 49,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299.45 : 115,901.79 = 32,900.92 : x
  2. Step 2: Convert to fraction form
    77,299.45/115,901.79 = 32,900.92/x
  3. Step 3: Cross multiply
    77,299.45x = 115,901.79 × 32,900.92
  4. Step 4: Simplify right side
    77,299.45x = 3,813,275,520.65
  5. Step 5: Solve for x
    x = 3,813,275,520.65/77,299.45
  6. Step 6: Final answer
    x = 49,331.21

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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.