Home / 70,440.06-105,694.30-30,992.08

Finding the Fourth Proportional to 70,440.06, 105,694.30 and 30,992.08

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Solution

The fourth proportional to 70,440.06, 105,694.30 and 30,992.08 is: 46,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,440.06 : 105,694.30 = 30,992.08 : x
  2. Step 2: Convert to fraction form
    70,440.06/105,694.30 = 30,992.08/x
  3. Step 3: Cross multiply
    70,440.06x = 105,694.30 × 30,992.08
  4. Step 4: Simplify right side
    70,440.06x = 3,275,686,201.14
  5. Step 5: Solve for x
    x = 3,275,686,201.14/70,440.06
  6. Step 6: Final answer
    x = 46,503.17

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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.