Finding the Fourth Proportional to 88,491.06, 132,424.74 and 55,226.76
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Solution
The fourth proportional to 88,491.06, 132,424.74 and 55,226.76 is: 82,645.52
Step by Step Solution
- Step 1: Write the proportion equation
88,491.06 : 132,424.74 = 55,226.76 : x - Step 2: Convert to fraction form
88,491.06/132,424.74 = 55,226.76/x - Step 3: Cross multiply
88,491.06x = 132,424.74 × 55,226.76 - Step 4: Simplify right side
88,491.06x = 7,313,389,334.04 - Step 5: Solve for x
x = 7,313,389,334.04/88,491.06 - Step 6: Final answer
x = 82,645.52
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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.