Home / 113,939.82-170,909.10-46,471.68

Finding the Fourth Proportional to 113,939.82, 170,909.10 and 46,471.68

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Solution

The fourth proportional to 113,939.82, 170,909.10 and 46,471.68 is: 69,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,939.82 : 170,909.10 = 46,471.68 : x
  2. Step 2: Convert to fraction form
    113,939.82/170,909.10 = 46,471.68/x
  3. Step 3: Cross multiply
    113,939.82x = 170,909.10 × 46,471.68
  4. Step 4: Simplify right side
    113,939.82x = 7,942,433,004.29
  5. Step 5: Solve for x
    x = 7,942,433,004.29/113,939.82
  6. Step 6: Final answer
    x = 69,707.26

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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.