Home / 105,914.17-158,872.55-31,035.84

Finding the Fourth Proportional to 105,914.17, 158,872.55 and 31,035.84

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Solution

The fourth proportional to 105,914.17, 158,872.55 and 31,035.84 is: 46,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,914.17 : 158,872.55 = 31,035.84 : x
  2. Step 2: Convert to fraction form
    105,914.17/158,872.55 = 31,035.84/x
  3. Step 3: Cross multiply
    105,914.17x = 158,872.55 × 31,035.84
  4. Step 4: Simplify right side
    105,914.17x = 4,930,742,092.65
  5. Step 5: Solve for x
    x = 4,930,742,092.65/105,914.17
  6. Step 6: Final answer
    x = 46,554.13

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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.