Home / 94,021.08-129,751.20-51,579.42

Finding the Fourth Proportional to 94,021.08, 129,751.20 and 51,579.42

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Solution

The fourth proportional to 94,021.08, 129,751.20 and 51,579.42 is: 71,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,021.08 : 129,751.20 = 51,579.42 : x
  2. Step 2: Convert to fraction form
    94,021.08/129,751.20 = 51,579.42/x
  3. Step 3: Cross multiply
    94,021.08x = 129,751.20 × 51,579.42
  4. Step 4: Simplify right side
    94,021.08x = 6,692,491,640.30
  5. Step 5: Solve for x
    x = 6,692,491,640.30/94,021.08
  6. Step 6: Final answer
    x = 71,180.76

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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.