Finding the Fourth Proportional to 89,152.18, 133,734.87 and 29,987.62
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Solution
The fourth proportional to 89,152.18, 133,734.87 and 29,987.62 is: 44,983.65
Step by Step Solution
- Step 1: Write the proportion equation
89,152.18 : 133,734.87 = 29,987.62 : x - Step 2: Convert to fraction form
89,152.18/133,734.87 = 29,987.62/x - Step 3: Cross multiply
89,152.18x = 133,734.87 × 29,987.62 - Step 4: Simplify right side
89,152.18x = 4,010,390,462.31 - Step 5: Solve for x
x = 4,010,390,462.31/89,152.18 - Step 6: Final answer
x = 44,983.65
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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.