Finding the Fourth Proportional to 89,319.68, 133,982.35 and 44,922.18
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Solution
The fourth proportional to 89,319.68, 133,982.35 and 44,922.18 is: 67,384.69
Step by Step Solution
- Step 1: Write the proportion equation
89,319.68 : 133,982.35 = 44,922.18 : x - Step 2: Convert to fraction form
89,319.68/133,982.35 = 44,922.18/x - Step 3: Cross multiply
89,319.68x = 133,982.35 × 44,922.18 - Step 4: Simplify right side
89,319.68x = 6,018,779,018.91 - Step 5: Solve for x
x = 6,018,779,018.91/89,319.68 - Step 6: Final answer
x = 67,384.69
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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.