Finding the Fourth Proportional to 92,935.02, 128,268.99 and 55,201.98
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Solution
The fourth proportional to 92,935.02, 128,268.99 and 55,201.98 is: 76,189.82
Step by Step Solution
- Step 1: Write the proportion equation
92,935.02 : 128,268.99 = 55,201.98 : x - Step 2: Convert to fraction form
92,935.02/128,268.99 = 55,201.98/x - Step 3: Cross multiply
92,935.02x = 128,268.99 × 55,201.98 - Step 4: Simplify right side
92,935.02x = 7,080,702,220.60 - Step 5: Solve for x
x = 7,080,702,220.60/92,935.02 - Step 6: Final answer
x = 76,189.82
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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.