Home / 77,487.03-106,928.41-43,491.33

Finding the Fourth Proportional to 77,487.03, 106,928.41 and 43,491.33

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Solution

The fourth proportional to 77,487.03, 106,928.41 and 43,491.33 is: 60,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,487.03 : 106,928.41 = 43,491.33 : x
  2. Step 2: Convert to fraction form
    77,487.03/106,928.41 = 43,491.33/x
  3. Step 3: Cross multiply
    77,487.03x = 106,928.41 × 43,491.33
  4. Step 4: Simplify right side
    77,487.03x = 4,650,459,033.01
  5. Step 5: Solve for x
    x = 4,650,459,033.01/77,487.03
  6. Step 6: Final answer
    x = 60,015.97

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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.