Home / 106,938.90-147,591.24-61,608.06

Finding the Fourth Proportional to 106,938.90, 147,591.24 and 61,608.06

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Solution

The fourth proportional to 106,938.90, 147,591.24 and 61,608.06 is: 85,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.90 : 147,591.24 = 61,608.06 : x
  2. Step 2: Convert to fraction form
    106,938.90/147,591.24 = 61,608.06/x
  3. Step 3: Cross multiply
    106,938.90x = 147,591.24 × 61,608.06
  4. Step 4: Simplify right side
    106,938.90x = 9,092,809,969.39
  5. Step 5: Solve for x
    x = 9,092,809,969.39/106,938.90
  6. Step 6: Final answer
    x = 85,028.09

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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.