Finding the Fourth Proportional to 89,855.33, 134,768.68 and 29,878.81
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Solution
The fourth proportional to 89,855.33, 134,768.68 and 29,878.81 is: 44,813.45
Step by Step Solution
- Step 1: Write the proportion equation
89,855.33 : 134,768.68 = 29,878.81 : x - Step 2: Convert to fraction form
89,855.33/134,768.68 = 29,878.81/x - Step 3: Cross multiply
89,855.33x = 134,768.68 × 29,878.81 - Step 4: Simplify right side
89,855.33x = 4,026,727,372.05 - Step 5: Solve for x
x = 4,026,727,372.05/89,855.33 - Step 6: Final answer
x = 44,813.45
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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.