Home / 49,765.36-68,664.27-28,250.32

Finding the Fourth Proportional to 49,765.36, 68,664.27 and 28,250.32

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Solution

The fourth proportional to 49,765.36, 68,664.27 and 28,250.32 is: 38,978.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,765.36 : 68,664.27 = 28,250.32 : x
  2. Step 2: Convert to fraction form
    49,765.36/68,664.27 = 28,250.32/x
  3. Step 3: Cross multiply
    49,765.36x = 68,664.27 × 28,250.32
  4. Step 4: Simplify right side
    49,765.36x = 1,939,787,600.07
  5. Step 5: Solve for x
    x = 1,939,787,600.07/49,765.36
  6. Step 6: Final answer
    x = 38,978.67

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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.