Home / 69,158.96-95,438.43-38,944.64

Finding the Fourth Proportional to 69,158.96, 95,438.43 and 38,944.64

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Solution

The fourth proportional to 69,158.96, 95,438.43 and 38,944.64 is: 53,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,158.96 : 95,438.43 = 38,944.64 : x
  2. Step 2: Convert to fraction form
    69,158.96/95,438.43 = 38,944.64/x
  3. Step 3: Cross multiply
    69,158.96x = 95,438.43 × 38,944.64
  4. Step 4: Simplify right side
    69,158.96x = 3,716,815,391.07
  5. Step 5: Solve for x
    x = 3,716,815,391.07/69,158.96
  6. Step 6: Final answer
    x = 53,743.08

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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.