Home / 76,828.67-106,015.80-42,833.96

Finding the Fourth Proportional to 76,828.67, 106,015.80 and 42,833.96

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Solution

The fourth proportional to 76,828.67, 106,015.80 and 42,833.96 is: 59,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,828.67 : 106,015.80 = 42,833.96 : x
  2. Step 2: Convert to fraction form
    76,828.67/106,015.80 = 42,833.96/x
  3. Step 3: Cross multiply
    76,828.67x = 106,015.80 × 42,833.96
  4. Step 4: Simplify right side
    76,828.67x = 4,541,077,161.01
  5. Step 5: Solve for x
    x = 4,541,077,161.01/76,828.67
  6. Step 6: Final answer
    x = 59,106.54

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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.