Home / 91,211.45-125,866.52-50,927.77

Finding the Fourth Proportional to 91,211.45, 125,866.52 and 50,927.77

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Solution

The fourth proportional to 91,211.45, 125,866.52 and 50,927.77 is: 70,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,211.45 : 125,866.52 = 50,927.77 : x
  2. Step 2: Convert to fraction form
    91,211.45/125,866.52 = 50,927.77/x
  3. Step 3: Cross multiply
    91,211.45x = 125,866.52 × 50,927.77
  4. Step 4: Simplify right side
    91,211.45x = 6,410,101,081.05
  5. Step 5: Solve for x
    x = 6,410,101,081.05/91,211.45
  6. Step 6: Final answer
    x = 70,277.37

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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.