Finding the Fourth Proportional to 92,008.05, 127,067.50 and 63,402.09
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Solution
The fourth proportional to 92,008.05, 127,067.50 and 63,402.09 is: 87,561.31
Step by Step Solution
- Step 1: Write the proportion equation
92,008.05 : 127,067.50 = 63,402.09 : x - Step 2: Convert to fraction form
92,008.05/127,067.50 = 63,402.09/x - Step 3: Cross multiply
92,008.05x = 127,067.50 × 63,402.09 - Step 4: Simplify right side
92,008.05x = 8,056,345,071.08 - Step 5: Solve for x
x = 8,056,345,071.08/92,008.05 - Step 6: Final answer
x = 87,561.31
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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.