Finding the Fourth Proportional to 70,925.13, 106,366.94 and 58,414.13
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Solution
The fourth proportional to 70,925.13, 106,366.94 and 58,414.13 is: 87,604.09
Step by Step Solution
- Step 1: Write the proportion equation
70,925.13 : 106,366.94 = 58,414.13 : x - Step 2: Convert to fraction form
70,925.13/106,366.94 = 58,414.13/x - Step 3: Cross multiply
70,925.13x = 106,366.94 × 58,414.13 - Step 4: Simplify right side
70,925.13x = 6,213,331,729.03 - Step 5: Solve for x
x = 6,213,331,729.03/70,925.13 - Step 6: Final answer
x = 87,604.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.