Home / 51,108.82-70,537.74-30,692.27

Finding the Fourth Proportional to 51,108.82, 70,537.74 and 30,692.27

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Solution

The fourth proportional to 51,108.82, 70,537.74 and 30,692.27 is: 42,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,108.82 : 70,537.74 = 30,692.27 : x
  2. Step 2: Convert to fraction form
    51,108.82/70,537.74 = 30,692.27/x
  3. Step 3: Cross multiply
    51,108.82x = 70,537.74 × 30,692.27
  4. Step 4: Simplify right side
    51,108.82x = 2,164,963,025.74
  5. Step 5: Solve for x
    x = 2,164,963,025.74/51,108.82
  6. Step 6: Final answer
    x = 42,359.87

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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.