Home / 54,745.02-82,152.90-19,683.90

Finding the Fourth Proportional to 54,745.02, 82,152.90 and 19,683.90

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Solution

The fourth proportional to 54,745.02, 82,152.90 and 19,683.90 is: 29,538.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,745.02 : 82,152.90 = 19,683.90 : x
  2. Step 2: Convert to fraction form
    54,745.02/82,152.90 = 19,683.90/x
  3. Step 3: Cross multiply
    54,745.02x = 82,152.90 × 19,683.90
  4. Step 4: Simplify right side
    54,745.02x = 1,617,089,468.31
  5. Step 5: Solve for x
    x = 1,617,089,468.31/54,745.02
  6. Step 6: Final answer
    x = 29,538.57

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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.