Finding the Fourth Proportional to 89,139.02, 133,624.79 and 29,933.17
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Solution
The fourth proportional to 89,139.02, 133,624.79 and 29,933.17 is: 44,871.63
Step by Step Solution
- Step 1: Write the proportion equation
89,139.02 : 133,624.79 = 29,933.17 : x - Step 2: Convert to fraction form
89,139.02/133,624.79 = 29,933.17/x - Step 3: Cross multiply
89,139.02x = 133,624.79 × 29,933.17 - Step 4: Simplify right side
89,139.02x = 3,999,813,183.81 - Step 5: Solve for x
x = 3,999,813,183.81/89,139.02 - Step 6: Final answer
x = 44,871.63
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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.