Finding the Fourth Proportional to 97,668.63, 134,776.34 and 54,640.77
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Solution
The fourth proportional to 97,668.63, 134,776.34 and 54,640.77 is: 75,400.70
Step by Step Solution
- Step 1: Write the proportion equation
97,668.63 : 134,776.34 = 54,640.77 : x - Step 2: Convert to fraction form
97,668.63/134,776.34 = 54,640.77/x - Step 3: Cross multiply
97,668.63x = 134,776.34 × 54,640.77 - Step 4: Simplify right side
97,668.63x = 7,364,282,722.18 - Step 5: Solve for x
x = 7,364,282,722.18/97,668.63 - Step 6: Final answer
x = 75,400.70
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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.