Home / 80,828.07-121,185.73-35,825.01

Finding the Fourth Proportional to 80,828.07, 121,185.73 and 35,825.01

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Solution

The fourth proportional to 80,828.07, 121,185.73 and 35,825.01 is: 53,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,828.07 : 121,185.73 = 35,825.01 : x
  2. Step 2: Convert to fraction form
    80,828.07/121,185.73 = 35,825.01/x
  3. Step 3: Cross multiply
    80,828.07x = 121,185.73 × 35,825.01
  4. Step 4: Simplify right side
    80,828.07x = 4,341,479,989.11
  5. Step 5: Solve for x
    x = 4,341,479,989.11/80,828.07
  6. Step 6: Final answer
    x = 53,712.53

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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.