Home / 90,700.96-125,167.20-50,418.48

Finding the Fourth Proportional to 90,700.96, 125,167.20 and 50,418.48

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Solution

The fourth proportional to 90,700.96, 125,167.20 and 50,418.48 is: 69,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,700.96 : 125,167.20 = 50,418.48 : x
  2. Step 2: Convert to fraction form
    90,700.96/125,167.20 = 50,418.48/x
  3. Step 3: Cross multiply
    90,700.96x = 125,167.20 × 50,418.48
  4. Step 4: Simplify right side
    90,700.96x = 6,310,739,969.86
  5. Step 5: Solve for x
    x = 6,310,739,969.86/90,700.96
  6. Step 6: Final answer
    x = 69,577.43

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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.