Home / 55,679.72-83,533.76-18,242.33

Finding the Fourth Proportional to 55,679.72, 83,533.76 and 18,242.33

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Solution

The fourth proportional to 55,679.72, 83,533.76 and 18,242.33 is: 27,368.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,679.72 : 83,533.76 = 18,242.33 : x
  2. Step 2: Convert to fraction form
    55,679.72/83,533.76 = 18,242.33/x
  3. Step 3: Cross multiply
    55,679.72x = 83,533.76 × 18,242.33
  4. Step 4: Simplify right side
    55,679.72x = 1,523,850,324.85
  5. Step 5: Solve for x
    x = 1,523,850,324.85/55,679.72
  6. Step 6: Final answer
    x = 27,368.14

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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.