Home / 76,709.24-115,070.51-23,413.20

Finding the Fourth Proportional to 76,709.24, 115,070.51 and 23,413.20

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Solution

The fourth proportional to 76,709.24, 115,070.51 and 23,413.20 is: 35,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,709.24 : 115,070.51 = 23,413.20 : x
  2. Step 2: Convert to fraction form
    76,709.24/115,070.51 = 23,413.20/x
  3. Step 3: Cross multiply
    76,709.24x = 115,070.51 × 23,413.20
  4. Step 4: Simplify right side
    76,709.24x = 2,694,168,864.73
  5. Step 5: Solve for x
    x = 2,694,168,864.73/76,709.24
  6. Step 6: Final answer
    x = 35,121.83

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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.