Finding the Fourth Proportional to 76,098.52, 104,992.15 and 45,893.08
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Solution
The fourth proportional to 76,098.52, 104,992.15 and 45,893.08 is: 63,318.09
Step by Step Solution
- Step 1: Write the proportion equation
76,098.52 : 104,992.15 = 45,893.08 : x - Step 2: Convert to fraction form
76,098.52/104,992.15 = 45,893.08/x - Step 3: Cross multiply
76,098.52x = 104,992.15 × 45,893.08 - Step 4: Simplify right side
76,098.52x = 4,818,412,499.63 - Step 5: Solve for x
x = 4,818,412,499.63/76,098.52 - Step 6: Final answer
x = 63,318.09
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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.