Home / 98,736.08-136,255.23-53,413.93

Finding the Fourth Proportional to 98,736.08, 136,255.23 and 53,413.93

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Solution

The fourth proportional to 98,736.08, 136,255.23 and 53,413.93 is: 73,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,736.08 : 136,255.23 = 53,413.93 : x
  2. Step 2: Convert to fraction form
    98,736.08/136,255.23 = 53,413.93/x
  3. Step 3: Cross multiply
    98,736.08x = 136,255.23 × 53,413.93
  4. Step 4: Simplify right side
    98,736.08x = 7,277,927,487.67
  5. Step 5: Solve for x
    x = 7,277,927,487.67/98,736.08
  6. Step 6: Final answer
    x = 73,710.92

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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.