Finding the Fourth Proportional to 88,266.68, 121,810.38 and 47,983.14
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Solution
The fourth proportional to 88,266.68, 121,810.38 and 47,983.14 is: 66,218.02
Step by Step Solution
- Step 1: Write the proportion equation
88,266.68 : 121,810.38 = 47,983.14 : x - Step 2: Convert to fraction form
88,266.68/121,810.38 = 47,983.14/x - Step 3: Cross multiply
88,266.68x = 121,810.38 × 47,983.14 - Step 4: Simplify right side
88,266.68x = 5,844,844,516.99 - Step 5: Solve for x
x = 5,844,844,516.99/88,266.68 - Step 6: Final answer
x = 66,218.02
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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.