Home / 69,157.28-95,436.56-38,942.64

Finding the Fourth Proportional to 69,157.28, 95,436.56 and 38,942.64

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Solution

The fourth proportional to 69,157.28, 95,436.56 and 38,942.64 is: 53,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,157.28 : 95,436.56 = 38,942.64 : x
  2. Step 2: Convert to fraction form
    69,157.28/95,436.56 = 38,942.64/x
  3. Step 3: Cross multiply
    69,157.28x = 95,436.56 × 38,942.64
  4. Step 4: Simplify right side
    69,157.28x = 3,716,551,598.92
  5. Step 5: Solve for x
    x = 3,716,551,598.92/69,157.28
  6. Step 6: Final answer
    x = 53,740.57

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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.