Finding the Fourth Proportional to 99,523.90, 137,343.13 and 54,202.08
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Solution
The fourth proportional to 99,523.90, 137,343.13 and 54,202.08 is: 74,798.95
Step by Step Solution
- Step 1: Write the proportion equation
99,523.90 : 137,343.13 = 54,202.08 : x - Step 2: Convert to fraction form
99,523.90/137,343.13 = 54,202.08/x - Step 3: Cross multiply
99,523.90x = 137,343.13 × 54,202.08 - Step 4: Simplify right side
99,523.90x = 7,444,283,184.21 - Step 5: Solve for x
x = 7,444,283,184.21/99,523.90 - Step 6: Final answer
x = 74,798.95
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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.