Home / 87,495.54-131,136.69-45,352.39

Finding the Fourth Proportional to 87,495.54, 131,136.69 and 45,352.39

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Solution

The fourth proportional to 87,495.54, 131,136.69 and 45,352.39 is: 67,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,495.54 : 131,136.69 = 45,352.39 : x
  2. Step 2: Convert to fraction form
    87,495.54/131,136.69 = 45,352.39/x
  3. Step 3: Cross multiply
    87,495.54x = 131,136.69 × 45,352.39
  4. Step 4: Simplify right side
    87,495.54x = 5,947,362,308.19
  5. Step 5: Solve for x
    x = 5,947,362,308.19/87,495.54
  6. Step 6: Final answer
    x = 67,973.32

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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.