Home / 106,323.06-159,345.39-53,704.02

Finding the Fourth Proportional to 106,323.06, 159,345.39 and 53,704.02

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Solution

The fourth proportional to 106,323.06, 159,345.39 and 53,704.02 is: 80,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,323.06 : 159,345.39 = 53,704.02 : x
  2. Step 2: Convert to fraction form
    106,323.06/159,345.39 = 53,704.02/x
  3. Step 3: Cross multiply
    106,323.06x = 159,345.39 × 53,704.02
  4. Step 4: Simplify right side
    106,323.06x = 8,557,488,011.47
  5. Step 5: Solve for x
    x = 8,557,488,011.47/106,323.06
  6. Step 6: Final answer
    x = 80,485.72

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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.