Finding the Fourth Proportional to 93,975.92, 129,686.64 and 51,534.44
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Solution
The fourth proportional to 93,975.92, 129,686.64 and 51,534.44 is: 71,117.46
Step by Step Solution
- Step 1: Write the proportion equation
93,975.92 : 129,686.64 = 51,534.44 : x - Step 2: Convert to fraction form
93,975.92/129,686.64 = 51,534.44/x - Step 3: Cross multiply
93,975.92x = 129,686.64 × 51,534.44 - Step 4: Simplify right side
93,975.92x = 6,683,328,367.88 - Step 5: Solve for x
x = 6,683,328,367.88/93,975.92 - Step 6: Final answer
x = 71,117.46
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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.