Home / 86,955.75-120,001.37-49,232.43

Finding the Fourth Proportional to 86,955.75, 120,001.37 and 49,232.43

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Solution

The fourth proportional to 86,955.75, 120,001.37 and 49,232.43 is: 67,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,955.75 : 120,001.37 = 49,232.43 : x
  2. Step 2: Convert to fraction form
    86,955.75/120,001.37 = 49,232.43/x
  3. Step 3: Cross multiply
    86,955.75x = 120,001.37 × 49,232.43
  4. Step 4: Simplify right side
    86,955.75x = 5,907,958,802.27
  5. Step 5: Solve for x
    x = 5,907,958,802.27/86,955.75
  6. Step 6: Final answer
    x = 67,942.13

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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.