Finding the Fourth Proportional to 74,151.84, 102,329.88 and 40,617.84
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Solution
The fourth proportional to 74,151.84, 102,329.88 and 40,617.84 is: 56,052.81
Step by Step Solution
- Step 1: Write the proportion equation
74,151.84 : 102,329.88 = 40,617.84 : x - Step 2: Convert to fraction form
74,151.84/102,329.88 = 40,617.84/x - Step 3: Cross multiply
74,151.84x = 102,329.88 × 40,617.84 - Step 4: Simplify right side
74,151.84x = 4,156,418,693.06 - Step 5: Solve for x
x = 4,156,418,693.06/74,151.84 - Step 6: Final answer
x = 56,052.81
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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.