Home / 106,724.64-159,959.72-49,722.08

Finding the Fourth Proportional to 106,724.64, 159,959.72 and 49,722.08

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Solution

The fourth proportional to 106,724.64, 159,959.72 and 49,722.08 is: 74,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,724.64 : 159,959.72 = 49,722.08 : x
  2. Step 2: Convert to fraction form
    106,724.64/159,959.72 = 49,722.08/x
  3. Step 3: Cross multiply
    106,724.64x = 159,959.72 × 49,722.08
  4. Step 4: Simplify right side
    106,724.64x = 7,953,529,994.62
  5. Step 5: Solve for x
    x = 7,953,529,994.62/106,724.64
  6. Step 6: Final answer
    x = 74,523.84

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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.