Home / 89,006.90-122,829.44-48,720.31

Finding the Fourth Proportional to 89,006.90, 122,829.44 and 48,720.31

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Solution

The fourth proportional to 89,006.90, 122,829.44 and 48,720.31 is: 67,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006.90 : 122,829.44 = 48,720.31 : x
  2. Step 2: Convert to fraction form
    89,006.90/122,829.44 = 48,720.31/x
  3. Step 3: Cross multiply
    89,006.90x = 122,829.44 × 48,720.31
  4. Step 4: Simplify right side
    89,006.90x = 5,984,287,843.25
  5. Step 5: Solve for x
    x = 5,984,287,843.25/89,006.90
  6. Step 6: Final answer
    x = 67,233.97

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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.