Home / 109,895.12-164,842.68-39,758.12

Finding the Fourth Proportional to 109,895.12, 164,842.68 and 39,758.12

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Solution

The fourth proportional to 109,895.12, 164,842.68 and 39,758.12 is: 59,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,895.12 : 164,842.68 = 39,758.12 : x
  2. Step 2: Convert to fraction form
    109,895.12/164,842.68 = 39,758.12/x
  3. Step 3: Cross multiply
    109,895.12x = 164,842.68 × 39,758.12
  4. Step 4: Simplify right side
    109,895.12x = 6,553,835,052.56
  5. Step 5: Solve for x
    x = 6,553,835,052.56/109,895.12
  6. Step 6: Final answer
    x = 59,637.18

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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.