Home / 69,543.48-104,308.44-19,622.80

Finding the Fourth Proportional to 69,543.48, 104,308.44 and 19,622.80

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Solution

The fourth proportional to 69,543.48, 104,308.44 and 19,622.80 is: 29,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,543.48 : 104,308.44 = 19,622.80 : x
  2. Step 2: Convert to fraction form
    69,543.48/104,308.44 = 19,622.80/x
  3. Step 3: Cross multiply
    69,543.48x = 104,308.44 × 19,622.80
  4. Step 4: Simplify right side
    69,543.48x = 2,046,823,656.43
  5. Step 5: Solve for x
    x = 2,046,823,656.43/69,543.48
  6. Step 6: Final answer
    x = 29,432.29

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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.