Finding the Fourth Proportional to 81,950.68, 113,095.43 and 45,652.08
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Solution
The fourth proportional to 81,950.68, 113,095.43 and 45,652.08 is: 63,001.82
Step by Step Solution
- Step 1: Write the proportion equation
81,950.68 : 113,095.43 = 45,652.08 : x - Step 2: Convert to fraction form
81,950.68/113,095.43 = 45,652.08/x - Step 3: Cross multiply
81,950.68x = 113,095.43 × 45,652.08 - Step 4: Simplify right side
81,950.68x = 5,163,041,658.85 - Step 5: Solve for x
x = 5,163,041,658.85/81,950.68 - Step 6: Final answer
x = 63,001.82
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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.