Home / 115,503.48-173,324.34-66,290.04

Finding the Fourth Proportional to 115,503.48, 173,324.34 and 66,290.04

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Solution

The fourth proportional to 115,503.48, 173,324.34 and 66,290.04 is: 99,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,503.48 : 173,324.34 = 66,290.04 : x
  2. Step 2: Convert to fraction form
    115,503.48/173,324.34 = 66,290.04/x
  3. Step 3: Cross multiply
    115,503.48x = 173,324.34 × 66,290.04
  4. Step 4: Simplify right side
    115,503.48x = 11,489,677,431.57
  5. Step 5: Solve for x
    x = 11,489,677,431.57/115,503.48
  6. Step 6: Final answer
    x = 99,474.73

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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.