Home / 109,771.22-151,485.09-59,470.58

Finding the Fourth Proportional to 109,771.22, 151,485.09 and 59,470.58

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Solution

The fourth proportional to 109,771.22, 151,485.09 and 59,470.58 is: 82,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,771.22 : 151,485.09 = 59,470.58 : x
  2. Step 2: Convert to fraction form
    109,771.22/151,485.09 = 59,470.58/x
  3. Step 3: Cross multiply
    109,771.22x = 151,485.09 × 59,470.58
  4. Step 4: Simplify right side
    109,771.22x = 9,008,906,163.65
  5. Step 5: Solve for x
    x = 9,008,906,163.65/109,771.22
  6. Step 6: Final answer
    x = 82,069.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.