Finding the Fourth Proportional to 79,462.08, 109,611.83 and 47,612.53
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Solution
The fourth proportional to 79,462.08, 109,611.83 and 47,612.53 is: 65,677.82
Step by Step Solution
- Step 1: Write the proportion equation
79,462.08 : 109,611.83 = 47,612.53 : x - Step 2: Convert to fraction form
79,462.08/109,611.83 = 47,612.53/x - Step 3: Cross multiply
79,462.08x = 109,611.83 × 47,612.53 - Step 4: Simplify right side
79,462.08x = 5,218,896,544.23 - Step 5: Solve for x
x = 5,218,896,544.23/79,462.08 - Step 6: Final answer
x = 65,677.82
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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.