Home / 106,933.66-147,605.32-61,629.72

Finding the Fourth Proportional to 106,933.66, 147,605.32 and 61,629.72

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Solution

The fourth proportional to 106,933.66, 147,605.32 and 61,629.72 is: 85,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,933.66 : 147,605.32 = 61,629.72 : x
  2. Step 2: Convert to fraction form
    106,933.66/147,605.32 = 61,629.72/x
  3. Step 3: Cross multiply
    106,933.66x = 147,605.32 × 61,629.72
  4. Step 4: Simplify right side
    106,933.66x = 9,096,874,542.11
  5. Step 5: Solve for x
    x = 9,096,874,542.11/106,933.66
  6. Step 6: Final answer
    x = 85,070.26

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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.