Home / 47,171.08-70,699.66-20,845.96

Finding the Fourth Proportional to 47,171.08, 70,699.66 and 20,845.96

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Solution

The fourth proportional to 47,171.08, 70,699.66 and 20,845.96 is: 31,243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,171.08 : 70,699.66 = 20,845.96 : x
  2. Step 2: Convert to fraction form
    47,171.08/70,699.66 = 20,845.96/x
  3. Step 3: Cross multiply
    47,171.08x = 70,699.66 × 20,845.96
  4. Step 4: Simplify right side
    47,171.08x = 1,473,802,284.37
  5. Step 5: Solve for x
    x = 1,473,802,284.37/47,171.08
  6. Step 6: Final answer
    x = 31,243.77

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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.