Home / 115,963.85-173,650.44-76,401.02

Finding the Fourth Proportional to 115,963.85, 173,650.44 and 76,401.02

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Solution

The fourth proportional to 115,963.85, 173,650.44 and 76,401.02 is: 114,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,963.85 : 173,650.44 = 76,401.02 : x
  2. Step 2: Convert to fraction form
    115,963.85/173,650.44 = 76,401.02/x
  3. Step 3: Cross multiply
    115,963.85x = 173,650.44 × 76,401.02
  4. Step 4: Simplify right side
    115,963.85x = 13,267,069,871.20
  5. Step 5: Solve for x
    x = 13,267,069,871.20/115,963.85
  6. Step 6: Final answer
    x = 114,406.95

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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.