Home / 51,907.66-71,548.44-40,557.36

Finding the Fourth Proportional to 51,907.66, 71,548.44 and 40,557.36

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Solution

The fourth proportional to 51,907.66, 71,548.44 and 40,557.36 is: 55,903.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,907.66 : 71,548.44 = 40,557.36 : x
  2. Step 2: Convert to fraction form
    51,907.66/71,548.44 = 40,557.36/x
  3. Step 3: Cross multiply
    51,907.66x = 71,548.44 × 40,557.36
  4. Step 4: Simplify right side
    51,907.66x = 2,901,815,838.52
  5. Step 5: Solve for x
    x = 2,901,815,838.52/51,907.66
  6. Step 6: Final answer
    x = 55,903.42

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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.