Finding the Fourth Proportional to 92,877.09, 128,171.99 and 50,435.63
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Solution
The fourth proportional to 92,877.09, 128,171.99 and 50,435.63 is: 69,602.03
Step by Step Solution
- Step 1: Write the proportion equation
92,877.09 : 128,171.99 = 50,435.63 : x - Step 2: Convert to fraction form
92,877.09/128,171.99 = 50,435.63/x - Step 3: Cross multiply
92,877.09x = 128,171.99 × 50,435.63 - Step 4: Simplify right side
92,877.09x = 6,464,434,170.97 - Step 5: Solve for x
x = 6,464,434,170.97/92,877.09 - Step 6: Final answer
x = 69,602.03
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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.