Finding the Fourth Proportional to 97,039.72, 133,909.68 and 54,600.99
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Solution
The fourth proportional to 97,039.72, 133,909.68 and 54,600.99 is: 75,346.48
Step by Step Solution
- Step 1: Write the proportion equation
97,039.72 : 133,909.68 = 54,600.99 : x - Step 2: Convert to fraction form
97,039.72/133,909.68 = 54,600.99/x - Step 3: Cross multiply
97,039.72x = 133,909.68 × 54,600.99 - Step 4: Simplify right side
97,039.72x = 7,311,601,098.58 - Step 5: Solve for x
x = 7,311,601,098.58/97,039.72 - Step 6: Final answer
x = 75,346.48
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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.