Finding the Fourth Proportional to 92,997.05, 128,327.73 and 51,605.08
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Solution
The fourth proportional to 92,997.05, 128,327.73 and 51,605.08 is: 71,210.46
Step by Step Solution
- Step 1: Write the proportion equation
92,997.05 : 128,327.73 = 51,605.08 : x - Step 2: Convert to fraction form
92,997.05/128,327.73 = 51,605.08/x - Step 3: Cross multiply
92,997.05x = 128,327.73 × 51,605.08 - Step 4: Simplify right side
92,997.05x = 6,622,362,835.66 - Step 5: Solve for x
x = 6,622,362,835.66/92,997.05 - Step 6: Final answer
x = 71,210.46
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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.