Finding the Fourth Proportional to 96,439.41, 133,074.41 and 53,991.09
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Solution
The fourth proportional to 96,439.41, 133,074.41 and 53,991.09 is: 74,501.00
Step by Step Solution
- Step 1: Write the proportion equation
96,439.41 : 133,074.41 = 53,991.09 : x - Step 2: Convert to fraction form
96,439.41/133,074.41 = 53,991.09/x - Step 3: Cross multiply
96,439.41x = 133,074.41 × 53,991.09 - Step 4: Simplify right side
96,439.41x = 7,184,832,177.05 - Step 5: Solve for x
x = 7,184,832,177.05/96,439.41 - Step 6: Final answer
x = 74,501.00
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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.