Home / 103,905.44-143,386.64-58,583.03

Finding the Fourth Proportional to 103,905.44, 143,386.64 and 58,583.03

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Solution

The fourth proportional to 103,905.44, 143,386.64 and 58,583.03 is: 80,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,905.44 : 143,386.64 = 58,583.03 : x
  2. Step 2: Convert to fraction form
    103,905.44/143,386.64 = 58,583.03/x
  3. Step 3: Cross multiply
    103,905.44x = 143,386.64 × 58,583.03
  4. Step 4: Simplify right side
    103,905.44x = 8,400,022,822.87
  5. Step 5: Solve for x
    x = 8,400,022,822.87/103,905.44
  6. Step 6: Final answer
    x = 80,842.96

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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.