Home / 47,070.45-64,954.31-25,845.21

Finding the Fourth Proportional to 47,070.45, 64,954.31 and 25,845.21

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Solution

The fourth proportional to 47,070.45, 64,954.31 and 25,845.21 is: 35,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,070.45 : 64,954.31 = 25,845.21 : x
  2. Step 2: Convert to fraction form
    47,070.45/64,954.31 = 25,845.21/x
  3. Step 3: Cross multiply
    47,070.45x = 64,954.31 × 25,845.21
  4. Step 4: Simplify right side
    47,070.45x = 1,678,757,653.13
  5. Step 5: Solve for x
    x = 1,678,757,653.13/47,070.45
  6. Step 6: Final answer
    x = 35,664.79

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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.