Home / 172,830.56-259,249.92-46,471.04

Finding the Fourth Proportional to 172,830.56, 259,249.92 and 46,471.04

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Solution

The fourth proportional to 172,830.56, 259,249.92 and 46,471.04 is: 69,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,830.56 : 259,249.92 = 46,471.04 : x
  2. Step 2: Convert to fraction form
    172,830.56/259,249.92 = 46,471.04/x
  3. Step 3: Cross multiply
    172,830.56x = 259,249.92 × 46,471.04
  4. Step 4: Simplify right side
    172,830.56x = 12,047,613,402.32
  5. Step 5: Solve for x
    x = 12,047,613,402.32/172,830.56
  6. Step 6: Final answer
    x = 69,707.66

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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.