Home / 113,413.90-156,509.94-62,425.54

Finding the Fourth Proportional to 113,413.90, 156,509.94 and 62,425.54

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Solution

The fourth proportional to 113,413.90, 156,509.94 and 62,425.54 is: 86,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,413.90 : 156,509.94 = 62,425.54 : x
  2. Step 2: Convert to fraction form
    113,413.90/156,509.94 = 62,425.54/x
  3. Step 3: Cross multiply
    113,413.90x = 156,509.94 × 62,425.54
  4. Step 4: Simplify right side
    113,413.90x = 9,770,217,519.87
  5. Step 5: Solve for x
    x = 9,770,217,519.87/113,413.90
  6. Step 6: Final answer
    x = 86,146.56

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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.