Home / 86,958.06-120,001.95-49,235.82

Finding the Fourth Proportional to 86,958.06, 120,001.95 and 49,235.82

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Solution

The fourth proportional to 86,958.06, 120,001.95 and 49,235.82 is: 67,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,958.06 : 120,001.95 = 49,235.82 : x
  2. Step 2: Convert to fraction form
    86,958.06/120,001.95 = 49,235.82/x
  3. Step 3: Cross multiply
    86,958.06x = 120,001.95 × 49,235.82
  4. Step 4: Simplify right side
    86,958.06x = 5,908,394,409.85
  5. Step 5: Solve for x
    x = 5,908,394,409.85/86,958.06
  6. Step 6: Final answer
    x = 67,945.33

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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.