Finding the Fourth Proportional to 92,944.53, 128,368.80 and 62,677.53
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Solution
The fourth proportional to 92,944.53, 128,368.80 and 62,677.53 is: 86,566.03
Step by Step Solution
- Step 1: Write the proportion equation
92,944.53 : 128,368.80 = 62,677.53 : x - Step 2: Convert to fraction form
92,944.53/128,368.80 = 62,677.53/x - Step 3: Cross multiply
92,944.53x = 128,368.80 × 62,677.53 - Step 4: Simplify right side
92,944.53x = 8,045,839,313.06 - Step 5: Solve for x
x = 8,045,839,313.06/92,944.53 - Step 6: Final answer
x = 86,566.03
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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.