Home / 96,745.80-145,031.22-34,401.72

Finding the Fourth Proportional to 96,745.80, 145,031.22 and 34,401.72

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Solution

The fourth proportional to 96,745.80, 145,031.22 and 34,401.72 is: 51,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,745.80 : 145,031.22 = 34,401.72 : x
  2. Step 2: Convert to fraction form
    96,745.80/145,031.22 = 34,401.72/x
  3. Step 3: Cross multiply
    96,745.80x = 145,031.22 × 34,401.72
  4. Step 4: Simplify right side
    96,745.80x = 4,989,323,421.70
  5. Step 5: Solve for x
    x = 4,989,323,421.70/96,745.80
  6. Step 6: Final answer
    x = 51,571.47

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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.