Home / 115,168.43-172,777.25-40,291.02

Finding the Fourth Proportional to 115,168.43, 172,777.25 and 40,291.02

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Solution

The fourth proportional to 115,168.43, 172,777.25 and 40,291.02 is: 60,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,168.43 : 172,777.25 = 40,291.02 : x
  2. Step 2: Convert to fraction form
    115,168.43/172,777.25 = 40,291.02/x
  3. Step 3: Cross multiply
    115,168.43x = 172,777.25 × 40,291.02
  4. Step 4: Simplify right side
    115,168.43x = 6,961,371,433.84
  5. Step 5: Solve for x
    x = 6,961,371,433.84/115,168.43
  6. Step 6: Final answer
    x = 60,445.13

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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.