Home / 74,376.25-102,628.90-43,750.73

Finding the Fourth Proportional to 74,376.25, 102,628.90 and 43,750.73

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Solution

The fourth proportional to 74,376.25, 102,628.90 and 43,750.73 is: 60,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,376.25 : 102,628.90 = 43,750.73 : x
  2. Step 2: Convert to fraction form
    74,376.25/102,628.90 = 43,750.73/x
  3. Step 3: Cross multiply
    74,376.25x = 102,628.90 × 43,750.73
  4. Step 4: Simplify right side
    74,376.25x = 4,490,089,294.10
  5. Step 5: Solve for x
    x = 4,490,089,294.10/74,376.25
  6. Step 6: Final answer
    x = 60,369.93

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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.