Finding the Fourth Proportional to 92,843.54, 128,125.64 and 50,402.07
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Solution
The fourth proportional to 92,843.54, 128,125.64 and 50,402.07 is: 69,555.70
Step by Step Solution
- Step 1: Write the proportion equation
92,843.54 : 128,125.64 = 50,402.07 : x - Step 2: Convert to fraction form
92,843.54/128,125.64 = 50,402.07/x - Step 3: Cross multiply
92,843.54x = 128,125.64 × 50,402.07 - Step 4: Simplify right side
92,843.54x = 6,457,797,224.06 - Step 5: Solve for x
x = 6,457,797,224.06/92,843.54 - Step 6: Final answer
x = 69,555.70
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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.