Home / 98,055.96-135,297.18-55,603.32

Finding the Fourth Proportional to 98,055.96, 135,297.18 and 55,603.32

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Solution

The fourth proportional to 98,055.96, 135,297.18 and 55,603.32 is: 76,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,055.96 : 135,297.18 = 55,603.32 : x
  2. Step 2: Convert to fraction form
    98,055.96/135,297.18 = 55,603.32/x
  3. Step 3: Cross multiply
    98,055.96x = 135,297.18 × 55,603.32
  4. Step 4: Simplify right side
    98,055.96x = 7,522,972,394.64
  5. Step 5: Solve for x
    x = 7,522,972,394.64/98,055.96
  6. Step 6: Final answer
    x = 76,721.22

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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.