Home / 57,308.49-79,118.64-38,183.22

Finding the Fourth Proportional to 57,308.49, 79,118.64 and 38,183.22

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Solution

The fourth proportional to 57,308.49, 79,118.64 and 38,183.22 is: 52,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,308.49 : 79,118.64 = 38,183.22 : x
  2. Step 2: Convert to fraction form
    57,308.49/79,118.64 = 38,183.22/x
  3. Step 3: Cross multiply
    57,308.49x = 79,118.64 × 38,183.22
  4. Step 4: Simplify right side
    57,308.49x = 3,021,004,437.22
  5. Step 5: Solve for x
    x = 3,021,004,437.22/57,308.49
  6. Step 6: Final answer
    x = 52,714.78

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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.