Home / 104,290.38-143,844.25-68,467.32

Finding the Fourth Proportional to 104,290.38, 143,844.25 and 68,467.32

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Solution

The fourth proportional to 104,290.38, 143,844.25 and 68,467.32 is: 94,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,290.38 : 143,844.25 = 68,467.32 : x
  2. Step 2: Convert to fraction form
    104,290.38/143,844.25 = 68,467.32/x
  3. Step 3: Cross multiply
    104,290.38x = 143,844.25 × 68,467.32
  4. Step 4: Simplify right side
    104,290.38x = 9,848,630,294.91
  5. Step 5: Solve for x
    x = 9,848,630,294.91/104,290.38
  6. Step 6: Final answer
    x = 94,434.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.