Home / 216,072.91-324,109.35-58,301.36

Finding the Fourth Proportional to 216,072.91, 324,109.35 and 58,301.36

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Solution

The fourth proportional to 216,072.91, 324,109.35 and 58,301.36 is: 87,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,072.91 : 324,109.35 = 58,301.36 : x
  2. Step 2: Convert to fraction form
    216,072.91/324,109.35 = 58,301.36/x
  3. Step 3: Cross multiply
    216,072.91x = 324,109.35 × 58,301.36
  4. Step 4: Simplify right side
    216,072.91x = 18,896,014,273.17
  5. Step 5: Solve for x
    x = 18,896,014,273.17/216,072.91
  6. Step 6: Final answer
    x = 87,452.03

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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.