Home / 115,391.72-173,088.97-40,514.04

Finding the Fourth Proportional to 115,391.72, 173,088.97 and 40,514.04

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Solution

The fourth proportional to 115,391.72, 173,088.97 and 40,514.04 is: 60,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,391.72 : 173,088.97 = 40,514.04 : x
  2. Step 2: Convert to fraction form
    115,391.72/173,088.97 = 40,514.04/x
  3. Step 3: Cross multiply
    115,391.72x = 173,088.97 × 40,514.04
  4. Step 4: Simplify right side
    115,391.72x = 7,012,533,352.85
  5. Step 5: Solve for x
    x = 7,012,533,352.85/115,391.72
  6. Step 6: Final answer
    x = 60,771.55

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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.