Home / 47,246.08-65,139.04-38,716.80

Finding the Fourth Proportional to 47,246.08, 65,139.04 and 38,716.80

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Solution

The fourth proportional to 47,246.08, 65,139.04 and 38,716.80 is: 53,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,246.08 : 65,139.04 = 38,716.80 : x
  2. Step 2: Convert to fraction form
    47,246.08/65,139.04 = 38,716.80/x
  3. Step 3: Cross multiply
    47,246.08x = 65,139.04 × 38,716.80
  4. Step 4: Simplify right side
    47,246.08x = 2,521,975,183.87
  5. Step 5: Solve for x
    x = 2,521,975,183.87/47,246.08
  6. Step 6: Final answer
    x = 53,379.56

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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.