Home / 78,217.49-107,942.26-44,231.06

Finding the Fourth Proportional to 78,217.49, 107,942.26 and 44,231.06

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Solution

The fourth proportional to 78,217.49, 107,942.26 and 44,231.06 is: 61,040.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,217.49 : 107,942.26 = 44,231.06 : x
  2. Step 2: Convert to fraction form
    78,217.49/107,942.26 = 44,231.06/x
  3. Step 3: Cross multiply
    78,217.49x = 107,942.26 × 44,231.06
  4. Step 4: Simplify right side
    78,217.49x = 4,774,400,848.45
  5. Step 5: Solve for x
    x = 4,774,400,848.45/78,217.49
  6. Step 6: Final answer
    x = 61,040.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.