Home / 98,735.84-136,255.04-53,413.72

Finding the Fourth Proportional to 98,735.84, 136,255.04 and 53,413.72

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Solution

The fourth proportional to 98,735.84, 136,255.04 and 53,413.72 is: 73,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,735.84 : 136,255.04 = 53,413.72 : x
  2. Step 2: Convert to fraction form
    98,735.84/136,255.04 = 53,413.72/x
  3. Step 3: Cross multiply
    98,735.84x = 136,255.04 × 53,413.72
  4. Step 4: Simplify right side
    98,735.84x = 7,277,888,555.15
  5. Step 5: Solve for x
    x = 7,277,888,555.15/98,735.84
  6. Step 6: Final answer
    x = 73,710.71

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1.5x scale

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.