Home / 77,322.89-115,787.44-50,947.67

Finding the Fourth Proportional to 77,322.89, 115,787.44 and 50,947.67

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Solution

The fourth proportional to 77,322.89, 115,787.44 and 50,947.67 is: 76,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,322.89 : 115,787.44 = 50,947.67 : x
  2. Step 2: Convert to fraction form
    77,322.89/115,787.44 = 50,947.67/x
  3. Step 3: Cross multiply
    77,322.89x = 115,787.44 × 50,947.67
  4. Step 4: Simplify right side
    77,322.89x = 5,899,100,283.26
  5. Step 5: Solve for x
    x = 5,899,100,283.26/77,322.89
  6. Step 6: Final answer
    x = 76,291.77

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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.