Finding the Fourth Proportional to 89,306.44, 133,959.68 and 69,599.76
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Solution
The fourth proportional to 89,306.44, 133,959.68 and 69,599.76 is: 104,399.66
Step by Step Solution
- Step 1: Write the proportion equation
89,306.44 : 133,959.68 = 69,599.76 : x - Step 2: Convert to fraction form
89,306.44/133,959.68 = 69,599.76/x - Step 3: Cross multiply
89,306.44x = 133,959.68 × 69,599.76 - Step 4: Simplify right side
89,306.44x = 9,323,561,577.68 - Step 5: Solve for x
x = 9,323,561,577.68/89,306.44 - Step 6: Final answer
x = 104,399.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.