Home / 76,339.99-114,517.83-26,420.01

Finding the Fourth Proportional to 76,339.99, 114,517.83 and 26,420.01

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Solution

The fourth proportional to 76,339.99, 114,517.83 and 26,420.01 is: 39,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,339.99 : 114,517.83 = 26,420.01 : x
  2. Step 2: Convert to fraction form
    76,339.99/114,517.83 = 26,420.01/x
  3. Step 3: Cross multiply
    76,339.99x = 114,517.83 × 26,420.01
  4. Step 4: Simplify right side
    76,339.99x = 3,025,561,883.41
  5. Step 5: Solve for x
    x = 3,025,561,883.41/76,339.99
  6. Step 6: Final answer
    x = 39,632.73

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1.5x scale

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.