Finding the Fourth Proportional to 88,799.18, 132,550.99 and 77,588.98
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Solution
The fourth proportional to 88,799.18, 132,550.99 and 77,588.98 is: 115,817.47
Step by Step Solution
- Step 1: Write the proportion equation
88,799.18 : 132,550.99 = 77,588.98 : x - Step 2: Convert to fraction form
88,799.18/132,550.99 = 77,588.98/x - Step 3: Cross multiply
88,799.18x = 132,550.99 × 77,588.98 - Step 4: Simplify right side
88,799.18x = 10,284,495,586.74 - Step 5: Solve for x
x = 10,284,495,586.74/88,799.18 - Step 6: Final answer
x = 115,817.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.