Home / 69,645.32-104,463.88-19,732.51

Finding the Fourth Proportional to 69,645.32, 104,463.88 and 19,732.51

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Solution

The fourth proportional to 69,645.32, 104,463.88 and 19,732.51 is: 29,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,645.32 : 104,463.88 = 19,732.51 : x
  2. Step 2: Convert to fraction form
    69,645.32/104,463.88 = 19,732.51/x
  3. Step 3: Cross multiply
    69,645.32x = 104,463.88 × 19,732.51
  4. Step 4: Simplify right side
    69,645.32x = 2,061,334,637.99
  5. Step 5: Solve for x
    x = 2,061,334,637.99/69,645.32
  6. Step 6: Final answer
    x = 29,597.61

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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.