Home / 55,779.84-76,976.46-31,907.52

Finding the Fourth Proportional to 55,779.84, 76,976.46 and 31,907.52

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Solution

The fourth proportional to 55,779.84, 76,976.46 and 31,907.52 is: 44,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.84 : 76,976.46 = 31,907.52 : x
  2. Step 2: Convert to fraction form
    55,779.84/76,976.46 = 31,907.52/x
  3. Step 3: Cross multiply
    55,779.84x = 76,976.46 × 31,907.52
  4. Step 4: Simplify right side
    55,779.84x = 2,456,127,936.98
  5. Step 5: Solve for x
    x = 2,456,127,936.98/55,779.84
  6. Step 6: Final answer
    x = 44,032.54

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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.