Home / 105,847.72-158,761.80-35,727.64

Finding the Fourth Proportional to 105,847.72, 158,761.80 and 35,727.64

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Solution

The fourth proportional to 105,847.72, 158,761.80 and 35,727.64 is: 53,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,847.72 : 158,761.80 = 35,727.64 : x
  2. Step 2: Convert to fraction form
    105,847.72/158,761.80 = 35,727.64/x
  3. Step 3: Cross multiply
    105,847.72x = 158,761.80 × 35,727.64
  4. Step 4: Simplify right side
    105,847.72x = 5,672,184,436.15
  5. Step 5: Solve for x
    x = 5,672,184,436.15/105,847.72
  6. Step 6: Final answer
    x = 53,588.16

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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.