Home / 52,190.81-71,923.88-51,231.14

Finding the Fourth Proportional to 52,190.81, 71,923.88 and 51,231.14

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Solution

The fourth proportional to 52,190.81, 71,923.88 and 51,231.14 is: 70,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190.81 : 71,923.88 = 51,231.14 : x
  2. Step 2: Convert to fraction form
    52,190.81/71,923.88 = 51,231.14/x
  3. Step 3: Cross multiply
    52,190.81x = 71,923.88 × 51,231.14
  4. Step 4: Simplify right side
    52,190.81x = 3,684,742,365.62
  5. Step 5: Solve for x
    x = 3,684,742,365.62/52,190.81
  6. Step 6: Final answer
    x = 70,601.36

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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.