Finding the Fourth Proportional to 94,045.24, 129,780.66 and 51,603.40
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Solution
The fourth proportional to 94,045.24, 129,780.66 and 51,603.40 is: 71,211.72
Step by Step Solution
- Step 1: Write the proportion equation
94,045.24 : 129,780.66 = 51,603.40 : x - Step 2: Convert to fraction form
94,045.24/129,780.66 = 51,603.40/x - Step 3: Cross multiply
94,045.24x = 129,780.66 × 51,603.40 - Step 4: Simplify right side
94,045.24x = 6,697,123,310.24 - Step 5: Solve for x
x = 6,697,123,310.24/94,045.24 - Step 6: Final answer
x = 71,211.72
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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.