Home / 64,211.80-96,317.70-45,512.95

Finding the Fourth Proportional to 64,211.80, 96,317.70 and 45,512.95

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Solution

The fourth proportional to 64,211.80, 96,317.70 and 45,512.95 is: 68,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,211.80 : 96,317.70 = 45,512.95 : x
  2. Step 2: Convert to fraction form
    64,211.80/96,317.70 = 45,512.95/x
  3. Step 3: Cross multiply
    64,211.80x = 96,317.70 × 45,512.95
  4. Step 4: Simplify right side
    64,211.80x = 4,383,702,664.22
  5. Step 5: Solve for x
    x = 4,383,702,664.22/64,211.80
  6. Step 6: Final answer
    x = 68,269.43

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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.