Home / 51,692.78-71,339.64-34,725.36

Finding the Fourth Proportional to 51,692.78, 71,339.64 and 34,725.36

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Solution

The fourth proportional to 51,692.78, 71,339.64 and 34,725.36 is: 47,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,692.78 : 71,339.64 = 34,725.36 : x
  2. Step 2: Convert to fraction form
    51,692.78/71,339.64 = 34,725.36/x
  3. Step 3: Cross multiply
    51,692.78x = 71,339.64 × 34,725.36
  4. Step 4: Simplify right side
    51,692.78x = 2,477,294,681.27
  5. Step 5: Solve for x
    x = 2,477,294,681.27/51,692.78
  6. Step 6: Final answer
    x = 47,923.42

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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.