Home / 86,050.40-118,728.78-50,219.96

Finding the Fourth Proportional to 86,050.40, 118,728.78 and 50,219.96

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Solution

The fourth proportional to 86,050.40, 118,728.78 and 50,219.96 is: 69,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,050.40 : 118,728.78 = 50,219.96 : x
  2. Step 2: Convert to fraction form
    86,050.40/118,728.78 = 50,219.96/x
  3. Step 3: Cross multiply
    86,050.40x = 118,728.78 × 50,219.96
  4. Step 4: Simplify right side
    86,050.40x = 5,962,554,582.45
  5. Step 5: Solve for x
    x = 5,962,554,582.45/86,050.40
  6. Step 6: Final answer
    x = 69,291.42

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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.