Home / 76,888.08-115,292.62-34,745.33

Finding the Fourth Proportional to 76,888.08, 115,292.62 and 34,745.33

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Solution

The fourth proportional to 76,888.08, 115,292.62 and 34,745.33 is: 52,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,888.08 : 115,292.62 = 34,745.33 : x
  2. Step 2: Convert to fraction form
    76,888.08/115,292.62 = 34,745.33/x
  3. Step 3: Cross multiply
    76,888.08x = 115,292.62 × 34,745.33
  4. Step 4: Simplify right side
    76,888.08x = 4,005,879,940.42
  5. Step 5: Solve for x
    x = 4,005,879,940.42/76,888.08
  6. Step 6: Final answer
    x = 52,100.14

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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.