Finding the Fourth Proportional to 74,732.17, 111,602.90 and 65,677.99
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Solution
The fourth proportional to 74,732.17, 111,602.90 and 65,677.99 is: 98,081.64
Step by Step Solution
- Step 1: Write the proportion equation
74,732.17 : 111,602.90 = 65,677.99 : x - Step 2: Convert to fraction form
74,732.17/111,602.90 = 65,677.99/x - Step 3: Cross multiply
74,732.17x = 111,602.90 × 65,677.99 - Step 4: Simplify right side
74,732.17x = 7,329,854,150.17 - Step 5: Solve for x
x = 7,329,854,150.17/74,732.17 - Step 6: Final answer
x = 98,081.64
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.