Home / 106,709.29-160,081.31-49,840.07

Finding the Fourth Proportional to 106,709.29, 160,081.31 and 49,840.07

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Solution

The fourth proportional to 106,709.29, 160,081.31 and 49,840.07 is: 74,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,709.29 : 160,081.31 = 49,840.07 : x
  2. Step 2: Convert to fraction form
    106,709.29/160,081.31 = 49,840.07/x
  3. Step 3: Cross multiply
    106,709.29x = 160,081.31 × 49,840.07
  4. Step 4: Simplify right side
    106,709.29x = 7,978,462,739.93
  5. Step 5: Solve for x
    x = 7,978,462,739.93/106,709.29
  6. Step 6: Final answer
    x = 74,768.21

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1.5x scale

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.