Home / 47,121.12-65,028.40-25,900.96

Finding the Fourth Proportional to 47,121.12, 65,028.40 and 25,900.96

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Solution

The fourth proportional to 47,121.12, 65,028.40 and 25,900.96 is: 35,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.12 : 65,028.40 = 25,900.96 : x
  2. Step 2: Convert to fraction form
    47,121.12/65,028.40 = 25,900.96/x
  3. Step 3: Cross multiply
    47,121.12x = 65,028.40 × 25,900.96
  4. Step 4: Simplify right side
    47,121.12x = 1,684,297,987.26
  5. Step 5: Solve for x
    x = 1,684,297,987.26/47,121.12
  6. Step 6: Final answer
    x = 35,744.01

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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.