Home / 115,204.16-172,884-40,324.92

Finding the Fourth Proportional to 115,204.16, 172,884 and 40,324.92

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Solution

The fourth proportional to 115,204.16, 172,884 and 40,324.92 is: 60,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,204.16 : 172,884 = 40,324.92 : x
  2. Step 2: Convert to fraction form
    115,204.16/172,884 = 40,324.92/x
  3. Step 3: Cross multiply
    115,204.16x = 172,884 × 40,324.92
  4. Step 4: Simplify right side
    115,204.16x = 6,971,533,469.28
  5. Step 5: Solve for x
    x = 6,971,533,469.28/115,204.16
  6. Step 6: Final answer
    x = 60,514.60

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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.