Finding the Fourth Proportional to 97,736.57, 134,890.97 and 61,929.93
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Solution
The fourth proportional to 97,736.57, 134,890.97 and 61,929.93 is: 85,472.49
Step by Step Solution
- Step 1: Write the proportion equation
97,736.57 : 134,890.97 = 61,929.93 : x - Step 2: Convert to fraction form
97,736.57/134,890.97 = 61,929.93/x - Step 3: Cross multiply
97,736.57x = 134,890.97 × 61,929.93 - Step 4: Simplify right side
97,736.57x = 8,353,788,020.08 - Step 5: Solve for x
x = 8,353,788,020.08/97,736.57 - Step 6: Final answer
x = 85,472.49
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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.