Finding the Fourth Proportional to 97,960.72, 135,185.16 and 53,248.72
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Solution
The fourth proportional to 97,960.72, 135,185.16 and 53,248.72 is: 73,482.89
Step by Step Solution
- Step 1: Write the proportion equation
97,960.72 : 135,185.16 = 53,248.72 : x - Step 2: Convert to fraction form
97,960.72/135,185.16 = 53,248.72/x - Step 3: Cross multiply
97,960.72x = 135,185.16 × 53,248.72 - Step 4: Simplify right side
97,960.72x = 7,198,436,733.00 - Step 5: Solve for x
x = 7,198,436,733.00/97,960.72 - Step 6: Final answer
x = 73,482.89
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1.5x scale
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.