Home / 47,139.91-65,050.36-25,919.19

Finding the Fourth Proportional to 47,139.91, 65,050.36 and 25,919.19

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Solution

The fourth proportional to 47,139.91, 65,050.36 and 25,919.19 is: 35,766.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139.91 : 65,050.36 = 25,919.19 : x
  2. Step 2: Convert to fraction form
    47,139.91/65,050.36 = 25,919.19/x
  3. Step 3: Cross multiply
    47,139.91x = 65,050.36 × 25,919.19
  4. Step 4: Simplify right side
    47,139.91x = 1,686,052,575.61
  5. Step 5: Solve for x
    x = 1,686,052,575.61/47,139.91
  6. Step 6: Final answer
    x = 35,766.99

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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.