Finding the Fourth Proportional to 99,008.44, 136,631.94 and 58,742.14
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Solution
The fourth proportional to 99,008.44, 136,631.94 and 58,742.14 is: 81,064.33
Step by Step Solution
- Step 1: Write the proportion equation
99,008.44 : 136,631.94 = 58,742.14 : x - Step 2: Convert to fraction form
99,008.44/136,631.94 = 58,742.14/x - Step 3: Cross multiply
99,008.44x = 136,631.94 × 58,742.14 - Step 4: Simplify right side
99,008.44x = 8,026,052,547.95 - Step 5: Solve for x
x = 8,026,052,547.95/99,008.44 - Step 6: Final answer
x = 81,064.33
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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.