Home / 88,202.44-121,721.70-50,488.84

Finding the Fourth Proportional to 88,202.44, 121,721.70 and 50,488.84

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Solution

The fourth proportional to 88,202.44, 121,721.70 and 50,488.84 is: 69,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,202.44 : 121,721.70 = 50,488.84 : x
  2. Step 2: Convert to fraction form
    88,202.44/121,721.70 = 50,488.84/x
  3. Step 3: Cross multiply
    88,202.44x = 121,721.70 × 50,488.84
  4. Step 4: Simplify right side
    88,202.44x = 6,145,587,435.83
  5. Step 5: Solve for x
    x = 6,145,587,435.83/88,202.44
  6. Step 6: Final answer
    x = 69,675.93

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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.