Home / 98,268.41-135,610.86-55,829.27

Finding the Fourth Proportional to 98,268.41, 135,610.86 and 55,829.27

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Solution

The fourth proportional to 98,268.41, 135,610.86 and 55,829.27 is: 77,044.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,268.41 : 135,610.86 = 55,829.27 : x
  2. Step 2: Convert to fraction form
    98,268.41/135,610.86 = 55,829.27/x
  3. Step 3: Cross multiply
    98,268.41x = 135,610.86 × 55,829.27
  4. Step 4: Simplify right side
    98,268.41x = 7,571,054,639.82
  5. Step 5: Solve for x
    x = 7,571,054,639.82/98,268.41
  6. Step 6: Final answer
    x = 77,044.65

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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.