Home / 57,222.91-85,773.16-21,667.51

Finding the Fourth Proportional to 57,222.91, 85,773.16 and 21,667.51

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Solution

The fourth proportional to 57,222.91, 85,773.16 and 21,667.51 is: 32,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,222.91 : 85,773.16 = 21,667.51 : x
  2. Step 2: Convert to fraction form
    57,222.91/85,773.16 = 21,667.51/x
  3. Step 3: Cross multiply
    57,222.91x = 85,773.16 × 21,667.51
  4. Step 4: Simplify right side
    57,222.91x = 1,858,490,802.03
  5. Step 5: Solve for x
    x = 1,858,490,802.03/57,222.91
  6. Step 6: Final answer
    x = 32,478.09

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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.