Home / 98,268.32-135,610.73-55,829.18

Finding the Fourth Proportional to 98,268.32, 135,610.73 and 55,829.18

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Solution

The fourth proportional to 98,268.32, 135,610.73 and 55,829.18 is: 77,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,268.32 : 135,610.73 = 55,829.18 : x
  2. Step 2: Convert to fraction form
    98,268.32/135,610.73 = 55,829.18/x
  3. Step 3: Cross multiply
    98,268.32x = 135,610.73 × 55,829.18
  4. Step 4: Simplify right side
    98,268.32x = 7,571,035,855.10
  5. Step 5: Solve for x
    x = 7,571,035,855.10/98,268.32
  6. Step 6: Final answer
    x = 77,044.52

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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.