Home / 77,183.07-115,774.61-50,881.67

Finding the Fourth Proportional to 77,183.07, 115,774.61 and 50,881.67

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Solution

The fourth proportional to 77,183.07, 115,774.61 and 50,881.67 is: 76,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,183.07 : 115,774.61 = 50,881.67 : x
  2. Step 2: Convert to fraction form
    77,183.07/115,774.61 = 50,881.67/x
  3. Step 3: Cross multiply
    77,183.07x = 115,774.61 × 50,881.67
  4. Step 4: Simplify right side
    77,183.07x = 5,890,804,667.12
  5. Step 5: Solve for x
    x = 5,890,804,667.12/77,183.07
  6. Step 6: Final answer
    x = 76,322.50

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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.