Home / 89,556.60-123,585.36-49,270.32

Finding the Fourth Proportional to 89,556.60, 123,585.36 and 49,270.32

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Solution

The fourth proportional to 89,556.60, 123,585.36 and 49,270.32 is: 67,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,556.60 : 123,585.36 = 49,270.32 : x
  2. Step 2: Convert to fraction form
    89,556.60/123,585.36 = 49,270.32/x
  3. Step 3: Cross multiply
    89,556.60x = 123,585.36 × 49,270.32
  4. Step 4: Simplify right side
    89,556.60x = 6,089,090,234.52
  5. Step 5: Solve for x
    x = 6,089,090,234.52/89,556.60
  6. Step 6: Final answer
    x = 67,991.53

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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.