Home / 98,249.67-135,577.26-55,800

Finding the Fourth Proportional to 98,249.67, 135,577.26 and 55,800

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Solution

The fourth proportional to 98,249.67, 135,577.26 and 55,800 is: 76,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,249.67 : 135,577.26 = 55,800 : x
  2. Step 2: Convert to fraction form
    98,249.67/135,577.26 = 55,800/x
  3. Step 3: Cross multiply
    98,249.67x = 135,577.26 × 55,800
  4. Step 4: Simplify right side
    98,249.67x = 7,565,211,108.00
  5. Step 5: Solve for x
    x = 7,565,211,108.00/98,249.67
  6. Step 6: Final answer
    x = 76,999.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.