Home / 47,107.86-70,686-26,043.99

Finding the Fourth Proportional to 47,107.86, 70,686 and 26,043.99

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Solution

The fourth proportional to 47,107.86, 70,686 and 26,043.99 is: 39,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,107.86 : 70,686 = 26,043.99 : x
  2. Step 2: Convert to fraction form
    47,107.86/70,686 = 26,043.99/x
  3. Step 3: Cross multiply
    47,107.86x = 70,686 × 26,043.99
  4. Step 4: Simplify right side
    47,107.86x = 1,840,945,477.14
  5. Step 5: Solve for x
    x = 1,840,945,477.14/47,107.86
  6. Step 6: Final answer
    x = 39,079.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.