Home / 103,924.90-143,383.68-63,596.62

Finding the Fourth Proportional to 103,924.90, 143,383.68 and 63,596.62

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Solution

The fourth proportional to 103,924.90, 143,383.68 and 63,596.62 is: 87,743.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,924.90 : 143,383.68 = 63,596.62 : x
  2. Step 2: Convert to fraction form
    103,924.90/143,383.68 = 63,596.62/x
  3. Step 3: Cross multiply
    103,924.90x = 143,383.68 × 63,596.62
  4. Step 4: Simplify right side
    103,924.90x = 9,118,717,411.16
  5. Step 5: Solve for x
    x = 9,118,717,411.16/103,924.90
  6. Step 6: Final answer
    x = 87,743.34

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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.