Home / 71,202.34-98,258.97-40,155.11

Finding the Fourth Proportional to 71,202.34, 98,258.97 and 40,155.11

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Solution

The fourth proportional to 71,202.34, 98,258.97 and 40,155.11 is: 55,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202.34 : 98,258.97 = 40,155.11 : x
  2. Step 2: Convert to fraction form
    71,202.34/98,258.97 = 40,155.11/x
  3. Step 3: Cross multiply
    71,202.34x = 98,258.97 × 40,155.11
  4. Step 4: Simplify right side
    71,202.34x = 3,945,599,869.00
  5. Step 5: Solve for x
    x = 3,945,599,869.00/71,202.34
  6. Step 6: Final answer
    x = 55,413.91

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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.