Home / 86,245.30-118,968.07-56,050.73

Finding the Fourth Proportional to 86,245.30, 118,968.07 and 56,050.73

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Solution

The fourth proportional to 86,245.30, 118,968.07 and 56,050.73 is: 77,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,245.30 : 118,968.07 = 56,050.73 : x
  2. Step 2: Convert to fraction form
    86,245.30/118,968.07 = 56,050.73/x
  3. Step 3: Cross multiply
    86,245.30x = 118,968.07 × 56,050.73
  4. Step 4: Simplify right side
    86,245.30x = 6,668,247,170.19
  5. Step 5: Solve for x
    x = 6,668,247,170.19/86,245.30
  6. Step 6: Final answer
    x = 77,317.22

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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.