Home / 51,550.08-76,707.60-51,375.12

Finding the Fourth Proportional to 51,550.08, 76,707.60 and 51,375.12

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Solution

The fourth proportional to 51,550.08, 76,707.60 and 51,375.12 is: 76,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,550.08 : 76,707.60 = 51,375.12 : x
  2. Step 2: Convert to fraction form
    51,550.08/76,707.60 = 51,375.12/x
  3. Step 3: Cross multiply
    51,550.08x = 76,707.60 × 51,375.12
  4. Step 4: Simplify right side
    51,550.08x = 3,940,862,154.91
  5. Step 5: Solve for x
    x = 3,940,862,154.91/51,550.08
  6. Step 6: Final answer
    x = 76,447.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.