Home / 77,163.12-106,496.46-46,942.59

Finding the Fourth Proportional to 77,163.12, 106,496.46 and 46,942.59

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Solution

The fourth proportional to 77,163.12, 106,496.46 and 46,942.59 is: 64,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,163.12 : 106,496.46 = 46,942.59 : x
  2. Step 2: Convert to fraction form
    77,163.12/106,496.46 = 46,942.59/x
  3. Step 3: Cross multiply
    77,163.12x = 106,496.46 × 46,942.59
  4. Step 4: Simplify right side
    77,163.12x = 4,999,219,658.23
  5. Step 5: Solve for x
    x = 4,999,219,658.23/77,163.12
  6. Step 6: Final answer
    x = 64,787.68

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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.