Home / 48,479.26-66,902.34-28,336.99

Finding the Fourth Proportional to 48,479.26, 66,902.34 and 28,336.99

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Solution

The fourth proportional to 48,479.26, 66,902.34 and 28,336.99 is: 39,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,479.26 : 66,902.34 = 28,336.99 : x
  2. Step 2: Convert to fraction form
    48,479.26/66,902.34 = 28,336.99/x
  3. Step 3: Cross multiply
    48,479.26x = 66,902.34 × 28,336.99
  4. Step 4: Simplify right side
    48,479.26x = 1,895,810,939.56
  5. Step 5: Solve for x
    x = 1,895,810,939.56/48,479.26
  6. Step 6: Final answer
    x = 39,105.61

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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.