Home / 106,787.01-160,178.36-31,907.37

Finding the Fourth Proportional to 106,787.01, 160,178.36 and 31,907.37

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Solution

The fourth proportional to 106,787.01, 160,178.36 and 31,907.37 is: 47,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,787.01 : 160,178.36 = 31,907.37 : x
  2. Step 2: Convert to fraction form
    106,787.01/160,178.36 = 31,907.37/x
  3. Step 3: Cross multiply
    106,787.01x = 160,178.36 × 31,907.37
  4. Step 4: Simplify right side
    106,787.01x = 5,110,870,038.98
  5. Step 5: Solve for x
    x = 5,110,870,038.98/106,787.01
  6. Step 6: Final answer
    x = 47,860.41

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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.