Home / 69,457.50-104,192.38-19,538.01

Finding the Fourth Proportional to 69,457.50, 104,192.38 and 19,538.01

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Solution

The fourth proportional to 69,457.50, 104,192.38 and 19,538.01 is: 29,308.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,457.50 : 104,192.38 = 19,538.01 : x
  2. Step 2: Convert to fraction form
    69,457.50/104,192.38 = 19,538.01/x
  3. Step 3: Cross multiply
    69,457.50x = 104,192.38 × 19,538.01
  4. Step 4: Simplify right side
    69,457.50x = 2,035,711,241.40
  5. Step 5: Solve for x
    x = 2,035,711,241.40/69,457.50
  6. Step 6: Final answer
    x = 29,308.73

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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.