Home / 73,947.25-102,049.73-40,415.41

Finding the Fourth Proportional to 73,947.25, 102,049.73 and 40,415.41

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Solution

The fourth proportional to 73,947.25, 102,049.73 and 40,415.41 is: 55,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,947.25 : 102,049.73 = 40,415.41 : x
  2. Step 2: Convert to fraction form
    73,947.25/102,049.73 = 40,415.41/x
  3. Step 3: Cross multiply
    73,947.25x = 102,049.73 × 40,415.41
  4. Step 4: Simplify right side
    73,947.25x = 4,124,381,678.34
  5. Step 5: Solve for x
    x = 4,124,381,678.34/73,947.25
  6. Step 6: Final answer
    x = 55,774.65

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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.