Home / 115,099.08-172,603.26-55,917.24

Finding the Fourth Proportional to 115,099.08, 172,603.26 and 55,917.24

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Solution

The fourth proportional to 115,099.08, 172,603.26 and 55,917.24 is: 83,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,099.08 : 172,603.26 = 55,917.24 : x
  2. Step 2: Convert to fraction form
    115,099.08/172,603.26 = 55,917.24/x
  3. Step 3: Cross multiply
    115,099.08x = 172,603.26 × 55,917.24
  4. Step 4: Simplify right side
    115,099.08x = 9,651,497,914.20
  5. Step 5: Solve for x
    x = 9,651,497,914.20/115,099.08
  6. Step 6: Final answer
    x = 83,853.82

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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.