Home / 47,758.08-65,687.04-38,305.92

Finding the Fourth Proportional to 47,758.08, 65,687.04 and 38,305.92

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Solution

The fourth proportional to 47,758.08, 65,687.04 and 38,305.92 is: 52,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,758.08 : 65,687.04 = 38,305.92 : x
  2. Step 2: Convert to fraction form
    47,758.08/65,687.04 = 38,305.92/x
  3. Step 3: Cross multiply
    47,758.08x = 65,687.04 × 38,305.92
  4. Step 4: Simplify right side
    47,758.08x = 2,516,202,499.28
  5. Step 5: Solve for x
    x = 2,516,202,499.28/47,758.08
  6. Step 6: Final answer
    x = 52,686.42

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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.