Home / 76,361.07-114,424.69-31,963.65

Finding the Fourth Proportional to 76,361.07, 114,424.69 and 31,963.65

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Solution

The fourth proportional to 76,361.07, 114,424.69 and 31,963.65 is: 47,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,361.07 : 114,424.69 = 31,963.65 : x
  2. Step 2: Convert to fraction form
    76,361.07/114,424.69 = 31,963.65/x
  3. Step 3: Cross multiply
    76,361.07x = 114,424.69 × 31,963.65
  4. Step 4: Simplify right side
    76,361.07x = 3,657,430,742.52
  5. Step 5: Solve for x
    x = 3,657,430,742.52/76,361.07
  6. Step 6: Final answer
    x = 47,896.54

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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.