Home / 106,999.21-147,654.79-58,600.37

Finding the Fourth Proportional to 106,999.21, 147,654.79 and 58,600.37

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Solution

The fourth proportional to 106,999.21, 147,654.79 and 58,600.37 is: 80,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,999.21 : 147,654.79 = 58,600.37 : x
  2. Step 2: Convert to fraction form
    106,999.21/147,654.79 = 58,600.37/x
  3. Step 3: Cross multiply
    106,999.21x = 147,654.79 × 58,600.37
  4. Step 4: Simplify right side
    106,999.21x = 8,652,624,877.00
  5. Step 5: Solve for x
    x = 8,652,624,877.00/106,999.21
  6. Step 6: Final answer
    x = 80,866.25

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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.