Finding the Fourth Proportional to 93,727.21, 129,342.99 and 50,706.56
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Solution
The fourth proportional to 93,727.21, 129,342.99 and 50,706.56 is: 69,974.75
Step by Step Solution
- Step 1: Write the proportion equation
93,727.21 : 129,342.99 = 50,706.56 : x - Step 2: Convert to fraction form
93,727.21/129,342.99 = 50,706.56/x - Step 3: Cross multiply
93,727.21x = 129,342.99 × 50,706.56 - Step 4: Simplify right side
93,727.21x = 6,558,537,868.97 - Step 5: Solve for x
x = 6,558,537,868.97/93,727.21 - Step 6: Final answer
x = 69,974.75
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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.