Home / 57,536.14-79,424.44-38,684.20

Finding the Fourth Proportional to 57,536.14, 79,424.44 and 38,684.20

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Solution

The fourth proportional to 57,536.14, 79,424.44 and 38,684.20 is: 53,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,536.14 : 79,424.44 = 38,684.20 : x
  2. Step 2: Convert to fraction form
    57,536.14/79,424.44 = 38,684.20/x
  3. Step 3: Cross multiply
    57,536.14x = 79,424.44 × 38,684.20
  4. Step 4: Simplify right side
    57,536.14x = 3,072,470,921.85
  5. Step 5: Solve for x
    x = 3,072,470,921.85/57,536.14
  6. Step 6: Final answer
    x = 53,400.71

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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.