Home / 57,467.36-79,259.97-39,328.79

Finding the Fourth Proportional to 57,467.36, 79,259.97 and 39,328.79

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Solution

The fourth proportional to 57,467.36, 79,259.97 and 39,328.79 is: 54,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,467.36 : 79,259.97 = 39,328.79 : x
  2. Step 2: Convert to fraction form
    57,467.36/79,259.97 = 39,328.79/x
  3. Step 3: Cross multiply
    57,467.36x = 79,259.97 × 39,328.79
  4. Step 4: Simplify right side
    57,467.36x = 3,117,198,715.54
  5. Step 5: Solve for x
    x = 3,117,198,715.54/57,467.36
  6. Step 6: Final answer
    x = 54,242.94

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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.