Finding the Fourth Proportional to 96,911.30, 133,740.49 and 58,677.84
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Solution
The fourth proportional to 96,911.30, 133,740.49 and 58,677.84 is: 80,977.17
Step by Step Solution
- Step 1: Write the proportion equation
96,911.30 : 133,740.49 = 58,677.84 : x - Step 2: Convert to fraction form
96,911.30/133,740.49 = 58,677.84/x - Step 3: Cross multiply
96,911.30x = 133,740.49 × 58,677.84 - Step 4: Simplify right side
96,911.30x = 7,847,603,073.74 - Step 5: Solve for x
x = 7,847,603,073.74/96,911.30 - Step 6: Final answer
x = 80,977.17
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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.