Finding the Fourth Proportional to 99,724.05, 137,602.26 and 59,437.08
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Solution
The fourth proportional to 99,724.05, 137,602.26 and 59,437.08 is: 82,013.08
Step by Step Solution
- Step 1: Write the proportion equation
99,724.05 : 137,602.26 = 59,437.08 : x - Step 2: Convert to fraction form
99,724.05/137,602.26 = 59,437.08/x - Step 3: Cross multiply
99,724.05x = 137,602.26 × 59,437.08 - Step 4: Simplify right side
99,724.05x = 8,178,676,535.80 - Step 5: Solve for x
x = 8,178,676,535.80/99,724.05 - Step 6: Final answer
x = 82,013.08
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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.