Home / 64,414.80-96,622.20-40,795.20

Finding the Fourth Proportional to 64,414.80, 96,622.20 and 40,795.20

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Solution

The fourth proportional to 64,414.80, 96,622.20 and 40,795.20 is: 61,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,414.80 : 96,622.20 = 40,795.20 : x
  2. Step 2: Convert to fraction form
    64,414.80/96,622.20 = 40,795.20/x
  3. Step 3: Cross multiply
    64,414.80x = 96,622.20 × 40,795.20
  4. Step 4: Simplify right side
    64,414.80x = 3,941,721,973.44
  5. Step 5: Solve for x
    x = 3,941,721,973.44/64,414.80
  6. Step 6: Final answer
    x = 61,192.80

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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.