Home / 104,931.26-157,443.37-54,999.49

Finding the Fourth Proportional to 104,931.26, 157,443.37 and 54,999.49

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Solution

The fourth proportional to 104,931.26, 157,443.37 and 54,999.49 is: 82,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,931.26 : 157,443.37 = 54,999.49 : x
  2. Step 2: Convert to fraction form
    104,931.26/157,443.37 = 54,999.49/x
  3. Step 3: Cross multiply
    104,931.26x = 157,443.37 × 54,999.49
  4. Step 4: Simplify right side
    104,931.26x = 8,659,305,053.88
  5. Step 5: Solve for x
    x = 8,659,305,053.88/104,931.26
  6. Step 6: Final answer
    x = 82,523.60

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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.