Home / 86,085.24-118,749.69-79,996.29

Finding the Fourth Proportional to 86,085.24, 118,749.69 and 79,996.29

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Solution

The fourth proportional to 86,085.24, 118,749.69 and 79,996.29 is: 110,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,085.24 : 118,749.69 = 79,996.29 : x
  2. Step 2: Convert to fraction form
    86,085.24/118,749.69 = 79,996.29/x
  3. Step 3: Cross multiply
    86,085.24x = 118,749.69 × 79,996.29
  4. Step 4: Simplify right side
    86,085.24x = 9,499,534,638.65
  5. Step 5: Solve for x
    x = 9,499,534,638.65/86,085.24
  6. Step 6: Final answer
    x = 110,350.33

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1.5x scale

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.