Finding the Fourth Proportional to 93,629.49, 129,208.67 and 51,188.02
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Solution
The fourth proportional to 93,629.49, 129,208.67 and 51,188.02 is: 70,639.45
Step by Step Solution
- Step 1: Write the proportion equation
93,629.49 : 129,208.67 = 51,188.02 : x - Step 2: Convert to fraction form
93,629.49/129,208.67 = 51,188.02/x - Step 3: Cross multiply
93,629.49x = 129,208.67 × 51,188.02 - Step 4: Simplify right side
93,629.49x = 6,613,935,984.13 - Step 5: Solve for x
x = 6,613,935,984.13/93,629.49 - Step 6: Final answer
x = 70,639.45
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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.