Finding the Fourth Proportional to 77,293.54, 106,663.68 and 43,301.68
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Solution
The fourth proportional to 77,293.54, 106,663.68 and 43,301.68 is: 59,755.53
Step by Step Solution
- Step 1: Write the proportion equation
77,293.54 : 106,663.68 = 43,301.68 : x - Step 2: Convert to fraction form
77,293.54/106,663.68 = 43,301.68/x - Step 3: Cross multiply
77,293.54x = 106,663.68 × 43,301.68 - Step 4: Simplify right side
77,293.54x = 4,618,716,538.98 - Step 5: Solve for x
x = 4,618,716,538.98/77,293.54 - Step 6: Final answer
x = 59,755.53
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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.