Home / 79,770.12-110,082.28-43,471.48

Finding the Fourth Proportional to 79,770.12, 110,082.28 and 43,471.48

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Solution

The fourth proportional to 79,770.12, 110,082.28 and 43,471.48 is: 59,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,770.12 : 110,082.28 = 43,471.48 : x
  2. Step 2: Convert to fraction form
    79,770.12/110,082.28 = 43,471.48/x
  3. Step 3: Cross multiply
    79,770.12x = 110,082.28 × 43,471.48
  4. Step 4: Simplify right side
    79,770.12x = 4,785,439,633.37
  5. Step 5: Solve for x
    x = 4,785,439,633.37/79,770.12
  6. Step 6: Final answer
    x = 59,990.38

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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.