Home / 172,728.65-259,057.26-46,338.93

Finding the Fourth Proportional to 172,728.65, 259,057.26 and 46,338.93

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Solution

The fourth proportional to 172,728.65, 259,057.26 and 46,338.93 is: 69,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,728.65 : 259,057.26 = 46,338.93 : x
  2. Step 2: Convert to fraction form
    172,728.65/259,057.26 = 46,338.93/x
  3. Step 3: Cross multiply
    172,728.65x = 259,057.26 × 46,338.93
  4. Step 4: Simplify right side
    172,728.65x = 12,004,436,237.13
  5. Step 5: Solve for x
    x = 12,004,436,237.13/172,728.65
  6. Step 6: Final answer
    x = 69,498.82

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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.