Home / 105,255.72-157,879.96-26,370.64

Finding the Fourth Proportional to 105,255.72, 157,879.96 and 26,370.64

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Solution

The fourth proportional to 105,255.72, 157,879.96 and 26,370.64 is: 39,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,255.72 : 157,879.96 = 26,370.64 : x
  2. Step 2: Convert to fraction form
    105,255.72/157,879.96 = 26,370.64/x
  3. Step 3: Cross multiply
    105,255.72x = 157,879.96 × 26,370.64
  4. Step 4: Simplify right side
    105,255.72x = 4,163,395,588.37
  5. Step 5: Solve for x
    x = 4,163,395,588.37/105,255.72
  6. Step 6: Final answer
    x = 39,555.05

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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.