Home / 115,060.36-172,610.22-52,736.20

Finding the Fourth Proportional to 115,060.36, 172,610.22 and 52,736.20

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Solution

The fourth proportional to 115,060.36, 172,610.22 and 52,736.20 is: 79,113.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,060.36 : 172,610.22 = 52,736.20 : x
  2. Step 2: Convert to fraction form
    115,060.36/172,610.22 = 52,736.20/x
  3. Step 3: Cross multiply
    115,060.36x = 172,610.22 × 52,736.20
  4. Step 4: Simplify right side
    115,060.36x = 9,102,807,083.96
  5. Step 5: Solve for x
    x = 9,102,807,083.96/115,060.36
  6. Step 6: Final answer
    x = 79,113.32

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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.