Home / 47,134.33-70,690.56-13,845.45

Finding the Fourth Proportional to 47,134.33, 70,690.56 and 13,845.45

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Solution

The fourth proportional to 47,134.33, 70,690.56 and 13,845.45 is: 20,764.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,134.33 : 70,690.56 = 13,845.45 : x
  2. Step 2: Convert to fraction form
    47,134.33/70,690.56 = 13,845.45/x
  3. Step 3: Cross multiply
    47,134.33x = 70,690.56 × 13,845.45
  4. Step 4: Simplify right side
    47,134.33x = 978,742,827.12
  5. Step 5: Solve for x
    x = 978,742,827.12/47,134.33
  6. Step 6: Final answer
    x = 20,764.97

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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.