Home / 84,711.14-127,074.57-60,469.28

Finding the Fourth Proportional to 84,711.14, 127,074.57 and 60,469.28

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Solution

The fourth proportional to 84,711.14, 127,074.57 and 60,469.28 is: 90,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,711.14 : 127,074.57 = 60,469.28 : x
  2. Step 2: Convert to fraction form
    84,711.14/127,074.57 = 60,469.28/x
  3. Step 3: Cross multiply
    84,711.14x = 127,074.57 × 60,469.28
  4. Step 4: Simplify right side
    84,711.14x = 7,684,107,754.21
  5. Step 5: Solve for x
    x = 7,684,107,754.21/84,711.14
  6. Step 6: Final answer
    x = 90,709.53

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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.