Finding the Fourth Proportional to 94,634.78, 141,656.90 and 69,702.98
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Solution
The fourth proportional to 94,634.78, 141,656.90 and 69,702.98 is: 104,336.99
Step by Step Solution
- Step 1: Write the proportion equation
94,634.78 : 141,656.90 = 69,702.98 : x - Step 2: Convert to fraction form
94,634.78/141,656.90 = 69,702.98/x - Step 3: Cross multiply
94,634.78x = 141,656.90 × 69,702.98 - Step 4: Simplify right side
94,634.78x = 9,873,908,067.56 - Step 5: Solve for x
x = 9,873,908,067.56/94,634.78 - Step 6: Final answer
x = 104,336.99
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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.