Home / 46,086.92-69,157.21-19,431.23

Finding the Fourth Proportional to 46,086.92, 69,157.21 and 19,431.23

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Solution

The fourth proportional to 46,086.92, 69,157.21 and 19,431.23 is: 29,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,086.92 : 69,157.21 = 19,431.23 : x
  2. Step 2: Convert to fraction form
    46,086.92/69,157.21 = 19,431.23/x
  3. Step 3: Cross multiply
    46,086.92x = 69,157.21 × 19,431.23
  4. Step 4: Simplify right side
    46,086.92x = 1,343,809,777.98
  5. Step 5: Solve for x
    x = 1,343,809,777.98/46,086.92
  6. Step 6: Final answer
    x = 29,158.16

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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.