Home / 124,884.56-172,343.22-68,299.58

Finding the Fourth Proportional to 124,884.56, 172,343.22 and 68,299.58

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Solution

The fourth proportional to 124,884.56, 172,343.22 and 68,299.58 is: 94,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,884.56 : 172,343.22 = 68,299.58 : x
  2. Step 2: Convert to fraction form
    124,884.56/172,343.22 = 68,299.58/x
  3. Step 3: Cross multiply
    124,884.56x = 172,343.22 × 68,299.58
  4. Step 4: Simplify right side
    124,884.56x = 11,770,969,541.85
  5. Step 5: Solve for x
    x = 11,770,969,541.85/124,884.56
  6. Step 6: Final answer
    x = 94,254.80

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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.