Home / 76,810.93-115,137.23-29,413.07

Finding the Fourth Proportional to 76,810.93, 115,137.23 and 29,413.07

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Solution

The fourth proportional to 76,810.93, 115,137.23 and 29,413.07 is: 44,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,810.93 : 115,137.23 = 29,413.07 : x
  2. Step 2: Convert to fraction form
    76,810.93/115,137.23 = 29,413.07/x
  3. Step 3: Cross multiply
    76,810.93x = 115,137.23 × 29,413.07
  4. Step 4: Simplify right side
    76,810.93x = 3,386,539,546.37
  5. Step 5: Solve for x
    x = 3,386,539,546.37/76,810.93
  6. Step 6: Final answer
    x = 44,089.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.