Home / 98,449.86-135,852.68-55,433.27

Finding the Fourth Proportional to 98,449.86, 135,852.68 and 55,433.27

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Solution

The fourth proportional to 98,449.86, 135,852.68 and 55,433.27 is: 76,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,449.86 : 135,852.68 = 55,433.27 : x
  2. Step 2: Convert to fraction form
    98,449.86/135,852.68 = 55,433.27/x
  3. Step 3: Cross multiply
    98,449.86x = 135,852.68 × 55,433.27
  4. Step 4: Simplify right side
    98,449.86x = 7,530,758,881.97
  5. Step 5: Solve for x
    x = 7,530,758,881.97/98,449.86
  6. Step 6: Final answer
    x = 76,493.35

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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.