Home / 69,985.82-104,957.19-20,052.53

Finding the Fourth Proportional to 69,985.82, 104,957.19 and 20,052.53

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Solution

The fourth proportional to 69,985.82, 104,957.19 and 20,052.53 is: 30,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,985.82 : 104,957.19 = 20,052.53 : x
  2. Step 2: Convert to fraction form
    69,985.82/104,957.19 = 20,052.53/x
  3. Step 3: Cross multiply
    69,985.82x = 104,957.19 × 20,052.53
  4. Step 4: Simplify right side
    69,985.82x = 2,104,657,463.58
  5. Step 5: Solve for x
    x = 2,104,657,463.58/69,985.82
  6. Step 6: Final answer
    x = 30,072.63

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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.