Finding the Fourth Proportional to 89,130.24, 133,696.44 and 29,965.68
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Solution
The fourth proportional to 89,130.24, 133,696.44 and 29,965.68 is: 44,948.88
Step by Step Solution
- Step 1: Write the proportion equation
89,130.24 : 133,696.44 = 29,965.68 : x - Step 2: Convert to fraction form
89,130.24/133,696.44 = 29,965.68/x - Step 3: Cross multiply
89,130.24x = 133,696.44 × 29,965.68 - Step 4: Simplify right side
89,130.24x = 4,006,304,738.18 - Step 5: Solve for x
x = 4,006,304,738.18/89,130.24 - Step 6: Final answer
x = 44,948.88
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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.