Home / 86,081.86-118,794.09-52,089.94

Finding the Fourth Proportional to 86,081.86, 118,794.09 and 52,089.94

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Solution

The fourth proportional to 86,081.86, 118,794.09 and 52,089.94 is: 71,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,081.86 : 118,794.09 = 52,089.94 : x
  2. Step 2: Convert to fraction form
    86,081.86/118,794.09 = 52,089.94/x
  3. Step 3: Cross multiply
    86,081.86x = 118,794.09 × 52,089.94
  4. Step 4: Simplify right side
    86,081.86x = 6,187,977,020.45
  5. Step 5: Solve for x
    x = 6,187,977,020.45/86,081.86
  6. Step 6: Final answer
    x = 71,884.80

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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.