Home / 77,603.06-116,511.01-40,188.96

Finding the Fourth Proportional to 77,603.06, 116,511.01 and 40,188.96

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Solution

The fourth proportional to 77,603.06, 116,511.01 and 40,188.96 is: 60,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,603.06 : 116,511.01 = 40,188.96 : x
  2. Step 2: Convert to fraction form
    77,603.06/116,511.01 = 40,188.96/x
  3. Step 3: Cross multiply
    77,603.06x = 116,511.01 × 40,188.96
  4. Step 4: Simplify right side
    77,603.06x = 4,682,456,219.98
  5. Step 5: Solve for x
    x = 4,682,456,219.98/77,603.06
  6. Step 6: Final answer
    x = 60,338.55

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1.5x scale

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.