Finding the Fourth Proportional to 89,715.80, 134,594.55 and 30,551.99
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Solution
The fourth proportional to 89,715.80, 134,594.55 and 30,551.99 is: 45,835.08
Step by Step Solution
- Step 1: Write the proportion equation
89,715.80 : 134,594.55 = 30,551.99 : x - Step 2: Convert to fraction form
89,715.80/134,594.55 = 30,551.99/x - Step 3: Cross multiply
89,715.80x = 134,594.55 × 30,551.99 - Step 4: Simplify right side
89,715.80x = 4,112,130,672.68 - Step 5: Solve for x
x = 4,112,130,672.68/89,715.80 - Step 6: Final answer
x = 45,835.08
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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.