Home / 64,418.16-96,442.92-43,604.40

Finding the Fourth Proportional to 64,418.16, 96,442.92 and 43,604.40

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Solution

The fourth proportional to 64,418.16, 96,442.92 and 43,604.40 is: 65,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,418.16 : 96,442.92 = 43,604.40 : x
  2. Step 2: Convert to fraction form
    64,418.16/96,442.92 = 43,604.40/x
  3. Step 3: Cross multiply
    64,418.16x = 96,442.92 × 43,604.40
  4. Step 4: Simplify right side
    64,418.16x = 4,205,335,660.85
  5. Step 5: Solve for x
    x = 4,205,335,660.85/64,418.16
  6. Step 6: Final answer
    x = 65,281.83

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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.