Home / 106,933.80-147,605.56-61,629.86

Finding the Fourth Proportional to 106,933.80, 147,605.56 and 61,629.86

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Solution

The fourth proportional to 106,933.80, 147,605.56 and 61,629.86 is: 85,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,933.80 : 147,605.56 = 61,629.86 : x
  2. Step 2: Convert to fraction form
    106,933.80/147,605.56 = 61,629.86/x
  3. Step 3: Cross multiply
    106,933.80x = 147,605.56 × 61,629.86
  4. Step 4: Simplify right side
    106,933.80x = 9,096,910,212.96
  5. Step 5: Solve for x
    x = 9,096,910,212.96/106,933.80
  6. Step 6: Final answer
    x = 85,070.48

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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.