Home / 98,636.58-136,085.82-55,610.69

Finding the Fourth Proportional to 98,636.58, 136,085.82 and 55,610.69

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Solution

The fourth proportional to 98,636.58, 136,085.82 and 55,610.69 is: 76,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,636.58 : 136,085.82 = 55,610.69 : x
  2. Step 2: Convert to fraction form
    98,636.58/136,085.82 = 55,610.69/x
  3. Step 3: Cross multiply
    98,636.58x = 136,085.82 × 55,610.69
  4. Step 4: Simplify right side
    98,636.58x = 7,567,825,668.99
  5. Step 5: Solve for x
    x = 7,567,825,668.99/98,636.58
  6. Step 6: Final answer
    x = 76,724.33

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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.