Finding the Fourth Proportional to 77,628.18, 116,487.42 and 32,646.26
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Solution
The fourth proportional to 77,628.18, 116,487.42 and 32,646.26 is: 48,988.38
Step by Step Solution
- Step 1: Write the proportion equation
77,628.18 : 116,487.42 = 32,646.26 : x - Step 2: Convert to fraction form
77,628.18/116,487.42 = 32,646.26/x - Step 3: Cross multiply
77,628.18x = 116,487.42 × 32,646.26 - Step 4: Simplify right side
77,628.18x = 3,802,878,600.05 - Step 5: Solve for x
x = 3,802,878,600.05/77,628.18 - Step 6: Final answer
x = 48,988.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.