Finding the Fourth Proportional to 98,317.17, 135,689.22 and 55,882.08
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Solution
The fourth proportional to 98,317.17, 135,689.22 and 55,882.08 is: 77,123.82
Step by Step Solution
- Step 1: Write the proportion equation
98,317.17 : 135,689.22 = 55,882.08 : x - Step 2: Convert to fraction form
98,317.17/135,689.22 = 55,882.08/x - Step 3: Cross multiply
98,317.17x = 135,689.22 × 55,882.08 - Step 4: Simplify right side
98,317.17x = 7,582,595,847.18 - Step 5: Solve for x
x = 7,582,595,847.18/98,317.17 - Step 6: Final answer
x = 77,123.82
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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.