Home / 71,314.31-98,413.76-39,485.27

Finding the Fourth Proportional to 71,314.31, 98,413.76 and 39,485.27

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Solution

The fourth proportional to 71,314.31, 98,413.76 and 39,485.27 is: 54,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,314.31 : 98,413.76 = 39,485.27 : x
  2. Step 2: Convert to fraction form
    71,314.31/98,413.76 = 39,485.27/x
  3. Step 3: Cross multiply
    71,314.31x = 98,413.76 × 39,485.27
  4. Step 4: Simplify right side
    71,314.31x = 3,885,894,230.06
  5. Step 5: Solve for x
    x = 3,885,894,230.06/71,314.31
  6. Step 6: Final answer
    x = 54,489.68

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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.