Home / 69,664.28-96,140.34-40,985.44

Finding the Fourth Proportional to 69,664.28, 96,140.34 and 40,985.44

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Solution

The fourth proportional to 69,664.28, 96,140.34 and 40,985.44 is: 56,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,664.28 : 96,140.34 = 40,985.44 : x
  2. Step 2: Convert to fraction form
    69,664.28/96,140.34 = 40,985.44/x
  3. Step 3: Cross multiply
    69,664.28x = 96,140.34 × 40,985.44
  4. Step 4: Simplify right side
    69,664.28x = 3,940,354,136.65
  5. Step 5: Solve for x
    x = 3,940,354,136.65/69,664.28
  6. Step 6: Final answer
    x = 56,562.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.