Home / 106,639.46-160,057.59-54,085.85

Finding the Fourth Proportional to 106,639.46, 160,057.59 and 54,085.85

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Solution

The fourth proportional to 106,639.46, 160,057.59 and 54,085.85 is: 81,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,639.46 : 160,057.59 = 54,085.85 : x
  2. Step 2: Convert to fraction form
    106,639.46/160,057.59 = 54,085.85/x
  3. Step 3: Cross multiply
    106,639.46x = 160,057.59 × 54,085.85
  4. Step 4: Simplify right side
    106,639.46x = 8,656,850,804.10
  5. Step 5: Solve for x
    x = 8,656,850,804.10/106,639.46
  6. Step 6: Final answer
    x = 81,178.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.