Finding the Fourth Proportional to 67,371.99, 101,070.99 and 25,815.75
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Solution
The fourth proportional to 67,371.99, 101,070.99 and 25,815.75 is: 38,728.61
Step by Step Solution
- Step 1: Write the proportion equation
67,371.99 : 101,070.99 = 25,815.75 : x - Step 2: Convert to fraction form
67,371.99/101,070.99 = 25,815.75/x - Step 3: Cross multiply
67,371.99x = 101,070.99 × 25,815.75 - Step 4: Simplify right side
67,371.99x = 2,609,223,410.09 - Step 5: Solve for x
x = 2,609,223,410.09/67,371.99 - Step 6: Final answer
x = 38,728.61
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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.