Home / 106,933.46-147,605.07-61,629.54

Finding the Fourth Proportional to 106,933.46, 147,605.07 and 61,629.54

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Solution

The fourth proportional to 106,933.46, 147,605.07 and 61,629.54 is: 85,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,933.46 : 147,605.07 = 61,629.54 : x
  2. Step 2: Convert to fraction form
    106,933.46/147,605.07 = 61,629.54/x
  3. Step 3: Cross multiply
    106,933.46x = 147,605.07 × 61,629.54
  4. Step 4: Simplify right side
    106,933.46x = 9,096,832,565.77
  5. Step 5: Solve for x
    x = 9,096,832,565.77/106,933.46
  6. Step 6: Final answer
    x = 85,070.03

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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.