Finding the Fourth Proportional to 99,173.27, 136,952.53 and 69,040.99
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Solution
The fourth proportional to 99,173.27, 136,952.53 and 69,040.99 is: 95,341.60
Step by Step Solution
- Step 1: Write the proportion equation
99,173.27 : 136,952.53 = 69,040.99 : x - Step 2: Convert to fraction form
99,173.27/136,952.53 = 69,040.99/x - Step 3: Cross multiply
99,173.27x = 136,952.53 × 69,040.99 - Step 4: Simplify right side
99,173.27x = 9,455,338,254.20 - Step 5: Solve for x
x = 9,455,338,254.20/99,173.27 - Step 6: Final answer
x = 95,341.60
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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.