Home / 105,786.50-158,731.32-46,614.74

Finding the Fourth Proportional to 105,786.50, 158,731.32 and 46,614.74

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Solution

The fourth proportional to 105,786.50, 158,731.32 and 46,614.74 is: 69,944.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,786.50 : 158,731.32 = 46,614.74 : x
  2. Step 2: Convert to fraction form
    105,786.50/158,731.32 = 46,614.74/x
  3. Step 3: Cross multiply
    105,786.50x = 158,731.32 × 46,614.74
  4. Step 4: Simplify right side
    105,786.50x = 7,399,219,211.66
  5. Step 5: Solve for x
    x = 7,399,219,211.66/105,786.50
  6. Step 6: Final answer
    x = 69,944.83

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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.