Finding the Fourth Proportional to 126,530.68, 174,605.52 and 69,938.68
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Solution
The fourth proportional to 126,530.68, 174,605.52 and 69,938.68 is: 96,511.61
Step by Step Solution
- Step 1: Write the proportion equation
126,530.68 : 174,605.52 = 69,938.68 : x - Step 2: Convert to fraction form
126,530.68/174,605.52 = 69,938.68/x - Step 3: Cross multiply
126,530.68x = 174,605.52 × 69,938.68 - Step 4: Simplify right side
126,530.68x = 12,211,679,589.51 - Step 5: Solve for x
x = 12,211,679,589.51/126,530.68 - Step 6: Final answer
x = 96,511.61
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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.