Home / 106,652.16-159,976.08-27,764.64

Finding the Fourth Proportional to 106,652.16, 159,976.08 and 27,764.64

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Solution

The fourth proportional to 106,652.16, 159,976.08 and 27,764.64 is: 41,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,652.16 : 159,976.08 = 27,764.64 : x
  2. Step 2: Convert to fraction form
    106,652.16/159,976.08 = 27,764.64/x
  3. Step 3: Cross multiply
    106,652.16x = 159,976.08 × 27,764.64
  4. Step 4: Simplify right side
    106,652.16x = 4,441,678,269.81
  5. Step 5: Solve for x
    x = 4,441,678,269.81/106,652.16
  6. Step 6: Final answer
    x = 41,646.40

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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.