Home / 88,661.44-122,355.12-54,211.33

Finding the Fourth Proportional to 88,661.44, 122,355.12 and 54,211.33

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Solution

The fourth proportional to 88,661.44, 122,355.12 and 54,211.33 is: 74,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,661.44 : 122,355.12 = 54,211.33 : x
  2. Step 2: Convert to fraction form
    88,661.44/122,355.12 = 54,211.33/x
  3. Step 3: Cross multiply
    88,661.44x = 122,355.12 × 54,211.33
  4. Step 4: Simplify right side
    88,661.44x = 6,633,033,787.51
  5. Step 5: Solve for x
    x = 6,633,033,787.51/88,661.44
  6. Step 6: Final answer
    x = 74,813.06

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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.