Home / 86,211.29-118,953.74-50,394.37

Finding the Fourth Proportional to 86,211.29, 118,953.74 and 50,394.37

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Solution

The fourth proportional to 86,211.29, 118,953.74 and 50,394.37 is: 69,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,211.29 : 118,953.74 = 50,394.37 : x
  2. Step 2: Convert to fraction form
    86,211.29/118,953.74 = 50,394.37/x
  3. Step 3: Cross multiply
    86,211.29x = 118,953.74 × 50,394.37
  4. Step 4: Simplify right side
    86,211.29x = 5,994,598,191.68
  5. Step 5: Solve for x
    x = 5,994,598,191.68/86,211.29
  6. Step 6: Final answer
    x = 69,533.80

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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.