Home / 47,139.05-65,052.57-25,919.07

Finding the Fourth Proportional to 47,139.05, 65,052.57 and 25,919.07

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Solution

The fourth proportional to 47,139.05, 65,052.57 and 25,919.07 is: 35,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139.05 : 65,052.57 = 25,919.07 : x
  2. Step 2: Convert to fraction form
    47,139.05/65,052.57 = 25,919.07/x
  3. Step 3: Cross multiply
    47,139.05x = 65,052.57 × 25,919.07
  4. Step 4: Simplify right side
    47,139.05x = 1,686,102,115.51
  5. Step 5: Solve for x
    x = 1,686,102,115.51/47,139.05
  6. Step 6: Final answer
    x = 35,768.69

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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.