Home / 106,727.90-160,114.73-31,853.93

Finding the Fourth Proportional to 106,727.90, 160,114.73 and 31,853.93

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Solution

The fourth proportional to 106,727.90, 160,114.73 and 31,853.93 is: 47,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,727.90 : 160,114.73 = 31,853.93 : x
  2. Step 2: Convert to fraction form
    106,727.90/160,114.73 = 31,853.93/x
  3. Step 3: Cross multiply
    106,727.90x = 160,114.73 × 31,853.93
  4. Step 4: Simplify right side
    106,727.90x = 5,100,282,441.55
  5. Step 5: Solve for x
    x = 5,100,282,441.55/106,727.90
  6. Step 6: Final answer
    x = 47,787.72

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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.