Home / 47,209.40-65,150.83-25,990.64

Finding the Fourth Proportional to 47,209.40, 65,150.83 and 25,990.64

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Solution

The fourth proportional to 47,209.40, 65,150.83 and 25,990.64 is: 35,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,209.40 : 65,150.83 = 25,990.64 : x
  2. Step 2: Convert to fraction form
    47,209.40/65,150.83 = 25,990.64/x
  3. Step 3: Cross multiply
    47,209.40x = 65,150.83 × 25,990.64
  4. Step 4: Simplify right side
    47,209.40x = 1,693,311,768.23
  5. Step 5: Solve for x
    x = 1,693,311,768.23/47,209.40
  6. Step 6: Final answer
    x = 35,868.11

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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.