Finding the Fourth Proportional to 86,490.96, 129,502.74 and 44,850.48
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Solution
The fourth proportional to 86,490.96, 129,502.74 and 44,850.48 is: 67,154.53
Step by Step Solution
- Step 1: Write the proportion equation
86,490.96 : 129,502.74 = 44,850.48 : x - Step 2: Convert to fraction form
86,490.96/129,502.74 = 44,850.48/x - Step 3: Cross multiply
86,490.96x = 129,502.74 × 44,850.48 - Step 4: Simplify right side
86,490.96x = 5,808,260,050.32 - Step 5: Solve for x
x = 5,808,260,050.32/86,490.96 - Step 6: Final answer
x = 67,154.53
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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.