Home / 115,105.08-172,612.26-55,923.24

Finding the Fourth Proportional to 115,105.08, 172,612.26 and 55,923.24

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Solution

The fourth proportional to 115,105.08, 172,612.26 and 55,923.24 is: 83,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,105.08 : 172,612.26 = 55,923.24 : x
  2. Step 2: Convert to fraction form
    115,105.08/172,612.26 = 55,923.24/x
  3. Step 3: Cross multiply
    115,105.08x = 172,612.26 × 55,923.24
  4. Step 4: Simplify right side
    115,105.08x = 9,653,036,842.92
  5. Step 5: Solve for x
    x = 9,653,036,842.92/115,105.08
  6. Step 6: Final answer
    x = 83,862.82

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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.