Home / 94,186.22-129,984.21-53,912.61

Finding the Fourth Proportional to 94,186.22, 129,984.21 and 53,912.61

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Solution

The fourth proportional to 94,186.22, 129,984.21 and 53,912.61 is: 74,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,186.22 : 129,984.21 = 53,912.61 : x
  2. Step 2: Convert to fraction form
    94,186.22/129,984.21 = 53,912.61/x
  3. Step 3: Cross multiply
    94,186.22x = 129,984.21 × 53,912.61
  4. Step 4: Simplify right side
    94,186.22x = 7,007,788,019.89
  5. Step 5: Solve for x
    x = 7,007,788,019.89/94,186.22
  6. Step 6: Final answer
    x = 74,403.54

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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.