Home / 84,559.70-126,761.10-31,222.22

Finding the Fourth Proportional to 84,559.70, 126,761.10 and 31,222.22

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Solution

The fourth proportional to 84,559.70, 126,761.10 and 31,222.22 is: 46,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,559.70 : 126,761.10 = 31,222.22 : x
  2. Step 2: Convert to fraction form
    84,559.70/126,761.10 = 31,222.22/x
  3. Step 3: Cross multiply
    84,559.70x = 126,761.10 × 31,222.22
  4. Step 4: Simplify right side
    84,559.70x = 3,957,762,951.64
  5. Step 5: Solve for x
    x = 3,957,762,951.64/84,559.70
  6. Step 6: Final answer
    x = 46,804.36

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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.