Finding the Fourth Proportional to 75,862.84, 113,702.10 and 53,682.70
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Solution
The fourth proportional to 75,862.84, 113,702.10 and 53,682.70 is: 80,458.83
Step by Step Solution
- Step 1: Write the proportion equation
75,862.84 : 113,702.10 = 53,682.70 : x - Step 2: Convert to fraction form
75,862.84/113,702.10 = 53,682.70/x - Step 3: Cross multiply
75,862.84x = 113,702.10 × 53,682.70 - Step 4: Simplify right side
75,862.84x = 6,103,835,723.67 - Step 5: Solve for x
x = 6,103,835,723.67/75,862.84 - Step 6: Final answer
x = 80,458.83
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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.