Home / 98,735.87-136,255.10-53,413.75

Finding the Fourth Proportional to 98,735.87, 136,255.10 and 53,413.75

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Solution

The fourth proportional to 98,735.87, 136,255.10 and 53,413.75 is: 73,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,735.87 : 136,255.10 = 53,413.75 : x
  2. Step 2: Convert to fraction form
    98,735.87/136,255.10 = 53,413.75/x
  3. Step 3: Cross multiply
    98,735.87x = 136,255.10 × 53,413.75
  4. Step 4: Simplify right side
    98,735.87x = 7,277,895,750.88
  5. Step 5: Solve for x
    x = 7,277,895,750.88/98,735.87
  6. Step 6: Final answer
    x = 73,710.76

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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.