Home / 114,584.10-171,912.60-72,724.92

Finding the Fourth Proportional to 114,584.10, 171,912.60 and 72,724.92

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Solution

The fourth proportional to 114,584.10, 171,912.60 and 72,724.92 is: 109,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,584.10 : 171,912.60 = 72,724.92 : x
  2. Step 2: Convert to fraction form
    114,584.10/171,912.60 = 72,724.92/x
  3. Step 3: Cross multiply
    114,584.10x = 171,912.60 × 72,724.92
  4. Step 4: Simplify right side
    114,584.10x = 12,502,330,081.99
  5. Step 5: Solve for x
    x = 12,502,330,081.99/114,584.10
  6. Step 6: Final answer
    x = 109,110.51

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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.