Finding the Fourth Proportional to 89,366.67, 123,368.04 and 51,633.63
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Solution
The fourth proportional to 89,366.67, 123,368.04 and 51,633.63 is: 71,278.70
Step by Step Solution
- Step 1: Write the proportion equation
89,366.67 : 123,368.04 = 51,633.63 : x - Step 2: Convert to fraction form
89,366.67/123,368.04 = 51,633.63/x - Step 3: Cross multiply
89,366.67x = 123,368.04 × 51,633.63 - Step 4: Simplify right side
89,366.67x = 6,369,939,731.19 - Step 5: Solve for x
x = 6,369,939,731.19/89,366.67 - Step 6: Final answer
x = 71,278.70
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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.