Home / 92,400.49-138,579.54-25,845.32

Finding the Fourth Proportional to 92,400.49, 138,579.54 and 25,845.32

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Solution

The fourth proportional to 92,400.49, 138,579.54 and 25,845.32 is: 38,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,400.49 : 138,579.54 = 25,845.32 : x
  2. Step 2: Convert to fraction form
    92,400.49/138,579.54 = 25,845.32/x
  3. Step 3: Cross multiply
    92,400.49x = 138,579.54 × 25,845.32
  4. Step 4: Simplify right side
    92,400.49x = 3,581,632,556.75
  5. Step 5: Solve for x
    x = 3,581,632,556.75/92,400.49
  6. Step 6: Final answer
    x = 38,762.05

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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.