Home / 115,039.24-172,558.98-36,160.36

Finding the Fourth Proportional to 115,039.24, 172,558.98 and 36,160.36

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Solution

The fourth proportional to 115,039.24, 172,558.98 and 36,160.36 is: 54,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,039.24 : 172,558.98 = 36,160.36 : x
  2. Step 2: Convert to fraction form
    115,039.24/172,558.98 = 36,160.36/x
  3. Step 3: Cross multiply
    115,039.24x = 172,558.98 × 36,160.36
  4. Step 4: Simplify right side
    115,039.24x = 6,239,794,838.03
  5. Step 5: Solve for x
    x = 6,239,794,838.03/115,039.24
  6. Step 6: Final answer
    x = 54,240.58

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1.5x scale

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.