Home / 57,406.03-79,247.22-38,318.04

Finding the Fourth Proportional to 57,406.03, 79,247.22 and 38,318.04

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Solution

The fourth proportional to 57,406.03, 79,247.22 and 38,318.04 is: 52,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,406.03 : 79,247.22 = 38,318.04 : x
  2. Step 2: Convert to fraction form
    57,406.03/79,247.22 = 38,318.04/x
  3. Step 3: Cross multiply
    57,406.03x = 79,247.22 × 38,318.04
  4. Step 4: Simplify right side
    57,406.03x = 3,036,598,145.85
  5. Step 5: Solve for x
    x = 3,036,598,145.85/57,406.03
  6. Step 6: Final answer
    x = 52,896.85

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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.