Home / 84,759.15-116,986.22-66,325.75

Finding the Fourth Proportional to 84,759.15, 116,986.22 and 66,325.75

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Solution

The fourth proportional to 84,759.15, 116,986.22 and 66,325.75 is: 91,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,759.15 : 116,986.22 = 66,325.75 : x
  2. Step 2: Convert to fraction form
    84,759.15/116,986.22 = 66,325.75/x
  3. Step 3: Cross multiply
    84,759.15x = 116,986.22 × 66,325.75
  4. Step 4: Simplify right side
    84,759.15x = 7,759,198,801.28
  5. Step 5: Solve for x
    x = 7,759,198,801.28/84,759.15
  6. Step 6: Final answer
    x = 91,544.08

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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.