Home / 98,413.26-135,771.21-60,621.90

Finding the Fourth Proportional to 98,413.26, 135,771.21 and 60,621.90

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Solution

The fourth proportional to 98,413.26, 135,771.21 and 60,621.90 is: 83,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,413.26 : 135,771.21 = 60,621.90 : x
  2. Step 2: Convert to fraction form
    98,413.26/135,771.21 = 60,621.90/x
  3. Step 3: Cross multiply
    98,413.26x = 135,771.21 × 60,621.90
  4. Step 4: Simplify right side
    98,413.26x = 8,230,708,715.50
  5. Step 5: Solve for x
    x = 8,230,708,715.50/98,413.26
  6. Step 6: Final answer
    x = 83,634.14

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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.