Home / 53,617.58-80,408.76-18,069.36

Finding the Fourth Proportional to 53,617.58, 80,408.76 and 18,069.36

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Solution

The fourth proportional to 53,617.58, 80,408.76 and 18,069.36 is: 27,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,617.58 : 80,408.76 = 18,069.36 : x
  2. Step 2: Convert to fraction form
    53,617.58/80,408.76 = 18,069.36/x
  3. Step 3: Cross multiply
    53,617.58x = 80,408.76 × 18,069.36
  4. Step 4: Simplify right side
    53,617.58x = 1,452,934,831.59
  5. Step 5: Solve for x
    x = 1,452,934,831.59/53,617.58
  6. Step 6: Final answer
    x = 27,098.11

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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.