Finding the Fourth Proportional to 79,277.08, 118,768.59 and 56,741.26
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Solution
The fourth proportional to 79,277.08, 118,768.59 and 56,741.26 is: 85,006.66
Step by Step Solution
- Step 1: Write the proportion equation
79,277.08 : 118,768.59 = 56,741.26 : x - Step 2: Convert to fraction form
79,277.08/118,768.59 = 56,741.26/x - Step 3: Cross multiply
79,277.08x = 118,768.59 × 56,741.26 - Step 4: Simplify right side
79,277.08x = 6,739,079,445.02 - Step 5: Solve for x
x = 6,739,079,445.02/79,277.08 - Step 6: Final answer
x = 85,006.66
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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.