Home / 86,028.88-118,716.68-47,790.16

Finding the Fourth Proportional to 86,028.88, 118,716.68 and 47,790.16

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Solution

The fourth proportional to 86,028.88, 118,716.68 and 47,790.16 is: 65,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,028.88 : 118,716.68 = 47,790.16 : x
  2. Step 2: Convert to fraction form
    86,028.88/118,716.68 = 47,790.16/x
  3. Step 3: Cross multiply
    86,028.88x = 118,716.68 × 47,790.16
  4. Step 4: Simplify right side
    86,028.88x = 5,673,489,131.87
  5. Step 5: Solve for x
    x = 5,673,489,131.87/86,028.88
  6. Step 6: Final answer
    x = 65,948.66

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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.