Home / 54,587.18-81,880.81-15,144.33

Finding the Fourth Proportional to 54,587.18, 81,880.81 and 15,144.33

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Solution

The fourth proportional to 54,587.18, 81,880.81 and 15,144.33 is: 22,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,587.18 : 81,880.81 = 15,144.33 : x
  2. Step 2: Convert to fraction form
    54,587.18/81,880.81 = 15,144.33/x
  3. Step 3: Cross multiply
    54,587.18x = 81,880.81 × 15,144.33
  4. Step 4: Simplify right side
    54,587.18x = 1,240,030,276.50
  5. Step 5: Solve for x
    x = 1,240,030,276.50/54,587.18
  6. Step 6: Final answer
    x = 22,716.51

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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.