Home / 45,699.08-68,583.24-19,422.32

Finding the Fourth Proportional to 45,699.08, 68,583.24 and 19,422.32

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Solution

The fourth proportional to 45,699.08, 68,583.24 and 19,422.32 is: 29,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,699.08 : 68,583.24 = 19,422.32 : x
  2. Step 2: Convert to fraction form
    45,699.08/68,583.24 = 19,422.32/x
  3. Step 3: Cross multiply
    45,699.08x = 68,583.24 × 19,422.32
  4. Step 4: Simplify right side
    45,699.08x = 1,332,045,633.92
  5. Step 5: Solve for x
    x = 1,332,045,633.92/45,699.08
  6. Step 6: Final answer
    x = 29,148.19

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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.