Finding the Fourth Proportional to 92,975.19, 128,305.67 and 50,534.03
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Solution
The fourth proportional to 92,975.19, 128,305.67 and 50,534.03 is: 69,736.90
Step by Step Solution
- Step 1: Write the proportion equation
92,975.19 : 128,305.67 = 50,534.03 : x - Step 2: Convert to fraction form
92,975.19/128,305.67 = 50,534.03/x - Step 3: Cross multiply
92,975.19x = 128,305.67 × 50,534.03 - Step 4: Simplify right side
92,975.19x = 6,483,801,682.75 - Step 5: Solve for x
x = 6,483,801,682.75/92,975.19 - Step 6: Final answer
x = 69,736.90
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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.