Home / 84,759.60-127,144.26-25,601.25

Finding the Fourth Proportional to 84,759.60, 127,144.26 and 25,601.25

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Solution

The fourth proportional to 84,759.60, 127,144.26 and 25,601.25 is: 38,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,759.60 : 127,144.26 = 25,601.25 : x
  2. Step 2: Convert to fraction form
    84,759.60/127,144.26 = 25,601.25/x
  3. Step 3: Cross multiply
    84,759.60x = 127,144.26 × 25,601.25
  4. Step 4: Simplify right side
    84,759.60x = 3,255,051,986.33
  5. Step 5: Solve for x
    x = 3,255,051,986.33/84,759.60
  6. Step 6: Final answer
    x = 38,403.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.