Finding the Fourth Proportional to 93,988.26, 129,706.65 and 51,549.66
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Solution
The fourth proportional to 93,988.26, 129,706.65 and 51,549.66 is: 71,140.09
Step by Step Solution
- Step 1: Write the proportion equation
93,988.26 : 129,706.65 = 51,549.66 : x - Step 2: Convert to fraction form
93,988.26/129,706.65 = 51,549.66/x - Step 3: Cross multiply
93,988.26x = 129,706.65 × 51,549.66 - Step 4: Simplify right side
93,988.26x = 6,686,333,707.24 - Step 5: Solve for x
x = 6,686,333,707.24/93,988.26 - Step 6: Final answer
x = 71,140.09
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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.