Home / 45,821.52-68,683.14-30,020.58

Finding the Fourth Proportional to 45,821.52, 68,683.14 and 30,020.58

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Solution

The fourth proportional to 45,821.52, 68,683.14 and 30,020.58 is: 44,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,821.52 : 68,683.14 = 30,020.58 : x
  2. Step 2: Convert to fraction form
    45,821.52/68,683.14 = 30,020.58/x
  3. Step 3: Cross multiply
    45,821.52x = 68,683.14 × 30,020.58
  4. Step 4: Simplify right side
    45,821.52x = 2,061,907,699.02
  5. Step 5: Solve for x
    x = 2,061,907,699.02/45,821.52
  6. Step 6: Final answer
    x = 44,998.68

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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.