Finding the Fourth Proportional to 80,004.10, 110,322.96 and 68,710.99
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Solution
The fourth proportional to 80,004.10, 110,322.96 and 68,710.99 is: 94,750.14
Step by Step Solution
- Step 1: Write the proportion equation
80,004.10 : 110,322.96 = 68,710.99 : x - Step 2: Convert to fraction form
80,004.10/110,322.96 = 68,710.99/x - Step 3: Cross multiply
80,004.10x = 110,322.96 × 68,710.99 - Step 4: Simplify right side
80,004.10x = 7,580,399,801.33 - Step 5: Solve for x
x = 7,580,399,801.33/80,004.10 - Step 6: Final answer
x = 94,750.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.