Home / 84,936.99-127,441.85-28,783.04

Finding the Fourth Proportional to 84,936.99, 127,441.85 and 28,783.04

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Solution

The fourth proportional to 84,936.99, 127,441.85 and 28,783.04 is: 43,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,936.99 : 127,441.85 = 28,783.04 : x
  2. Step 2: Convert to fraction form
    84,936.99/127,441.85 = 28,783.04/x
  3. Step 3: Cross multiply
    84,936.99x = 127,441.85 × 28,783.04
  4. Step 4: Simplify right side
    84,936.99x = 3,668,163,085.10
  5. Step 5: Solve for x
    x = 3,668,163,085.10/84,936.99
  6. Step 6: Final answer
    x = 43,186.87

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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.