Home / 105,584.80-158,403.14-30,705.59

Finding the Fourth Proportional to 105,584.80, 158,403.14 and 30,705.59

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Solution

The fourth proportional to 105,584.80, 158,403.14 and 30,705.59 is: 46,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,584.80 : 158,403.14 = 30,705.59 : x
  2. Step 2: Convert to fraction form
    105,584.80/158,403.14 = 30,705.59/x
  3. Step 3: Cross multiply
    105,584.80x = 158,403.14 × 30,705.59
  4. Step 4: Simplify right side
    105,584.80x = 4,863,862,624.65
  5. Step 5: Solve for x
    x = 4,863,862,624.65/105,584.80
  6. Step 6: Final answer
    x = 46,065.93

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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.