Home / 57,808.34-86,703.44-18,360.26

Finding the Fourth Proportional to 57,808.34, 86,703.44 and 18,360.26

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Solution

The fourth proportional to 57,808.34, 86,703.44 and 18,360.26 is: 27,537.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,808.34 : 86,703.44 = 18,360.26 : x
  2. Step 2: Convert to fraction form
    57,808.34/86,703.44 = 18,360.26/x
  3. Step 3: Cross multiply
    57,808.34x = 86,703.44 × 18,360.26
  4. Step 4: Simplify right side
    57,808.34x = 1,591,897,701.29
  5. Step 5: Solve for x
    x = 1,591,897,701.29/57,808.34
  6. Step 6: Final answer
    x = 27,537.51

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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.