Home / 76,289.26-114,405.80-26,356.54

Finding the Fourth Proportional to 76,289.26, 114,405.80 and 26,356.54

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Solution

The fourth proportional to 76,289.26, 114,405.80 and 26,356.54 is: 39,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,289.26 : 114,405.80 = 26,356.54 : x
  2. Step 2: Convert to fraction form
    76,289.26/114,405.80 = 26,356.54/x
  3. Step 3: Cross multiply
    76,289.26x = 114,405.80 × 26,356.54
  4. Step 4: Simplify right side
    76,289.26x = 3,015,341,043.93
  5. Step 5: Solve for x
    x = 3,015,341,043.93/76,289.26
  6. Step 6: Final answer
    x = 39,525.11

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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.