Home / 79,525.08-109,770.15-50,921.75

Finding the Fourth Proportional to 79,525.08, 109,770.15 and 50,921.75

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Solution

The fourth proportional to 79,525.08, 109,770.15 and 50,921.75 is: 70,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,525.08 : 109,770.15 = 50,921.75 : x
  2. Step 2: Convert to fraction form
    79,525.08/109,770.15 = 50,921.75/x
  3. Step 3: Cross multiply
    79,525.08x = 109,770.15 × 50,921.75
  4. Step 4: Simplify right side
    79,525.08x = 5,589,688,135.76
  5. Step 5: Solve for x
    x = 5,589,688,135.76/79,525.08
  6. Step 6: Final answer
    x = 70,288.37

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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.