Finding the Fourth Proportional to 68,969.98, 103,452.90 and 19,053.06
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Solution
The fourth proportional to 68,969.98, 103,452.90 and 19,053.06 is: 28,579.02
Step by Step Solution
- Step 1: Write the proportion equation
68,969.98 : 103,452.90 = 19,053.06 : x - Step 2: Convert to fraction form
68,969.98/103,452.90 = 19,053.06/x - Step 3: Cross multiply
68,969.98x = 103,452.90 × 19,053.06 - Step 4: Simplify right side
68,969.98x = 1,971,094,310.87 - Step 5: Solve for x
x = 1,971,094,310.87/68,969.98 - Step 6: Final answer
x = 28,579.02
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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.