Home / 57,673.12-79,588.64-31,177.12

Finding the Fourth Proportional to 57,673.12, 79,588.64 and 31,177.12

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Solution

The fourth proportional to 57,673.12, 79,588.64 and 31,177.12 is: 43,024.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,673.12 : 79,588.64 = 31,177.12 : x
  2. Step 2: Convert to fraction form
    57,673.12/79,588.64 = 31,177.12/x
  3. Step 3: Cross multiply
    57,673.12x = 79,588.64 × 31,177.12
  4. Step 4: Simplify right side
    57,673.12x = 2,481,344,579.92
  5. Step 5: Solve for x
    x = 2,481,344,579.92/57,673.12
  6. Step 6: Final answer
    x = 43,024.28

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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.