Home / 105,817.04-158,723.49-25,855.53

Finding the Fourth Proportional to 105,817.04, 158,723.49 and 25,855.53

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Solution

The fourth proportional to 105,817.04, 158,723.49 and 25,855.53 is: 38,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,817.04 : 158,723.49 = 25,855.53 : x
  2. Step 2: Convert to fraction form
    105,817.04/158,723.49 = 25,855.53/x
  3. Step 3: Cross multiply
    105,817.04x = 158,723.49 × 25,855.53
  4. Step 4: Simplify right side
    105,817.04x = 4,103,879,957.40
  5. Step 5: Solve for x
    x = 4,103,879,957.40/105,817.04
  6. Step 6: Final answer
    x = 38,782.79

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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.