Home / 106,653.87-160,015.40-31,774.66

Finding the Fourth Proportional to 106,653.87, 160,015.40 and 31,774.66

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Solution

The fourth proportional to 106,653.87, 160,015.40 and 31,774.66 is: 47,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,653.87 : 160,015.40 = 31,774.66 : x
  2. Step 2: Convert to fraction form
    106,653.87/160,015.40 = 31,774.66/x
  3. Step 3: Cross multiply
    106,653.87x = 160,015.40 × 31,774.66
  4. Step 4: Simplify right side
    106,653.87x = 5,084,434,770.89
  5. Step 5: Solve for x
    x = 5,084,434,770.89/106,653.87
  6. Step 6: Final answer
    x = 47,672.29

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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.