Finding the Fourth Proportional to 97,649.25, 134,754.75 and 57,366.69
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Solution
The fourth proportional to 97,649.25, 134,754.75 and 57,366.69 is: 79,165.32
Step by Step Solution
- Step 1: Write the proportion equation
97,649.25 : 134,754.75 = 57,366.69 : x - Step 2: Convert to fraction form
97,649.25/134,754.75 = 57,366.69/x - Step 3: Cross multiply
97,649.25x = 134,754.75 × 57,366.69 - Step 4: Simplify right side
97,649.25x = 7,730,433,969.28 - Step 5: Solve for x
x = 7,730,433,969.28/97,649.25 - Step 6: Final answer
x = 79,165.32
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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.