Finding the Fourth Proportional to 89,028.55, 133,562.81 and 29,862.70
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Solution
The fourth proportional to 89,028.55, 133,562.81 and 29,862.70 is: 44,800.75
Step by Step Solution
- Step 1: Write the proportion equation
89,028.55 : 133,562.81 = 29,862.70 : x - Step 2: Convert to fraction form
89,028.55/133,562.81 = 29,862.70/x - Step 3: Cross multiply
89,028.55x = 133,562.81 × 29,862.70 - Step 4: Simplify right side
89,028.55x = 3,988,546,126.19 - Step 5: Solve for x
x = 3,988,546,126.19/89,028.55 - Step 6: Final answer
x = 44,800.75
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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.