Finding the Fourth Proportional to 86,418.24, 129,533.73 and 44,240.48
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Solution
The fourth proportional to 86,418.24, 129,533.73 and 44,240.48 is: 66,312.79
Step by Step Solution
- Step 1: Write the proportion equation
86,418.24 : 129,533.73 = 44,240.48 : x - Step 2: Convert to fraction form
86,418.24/129,533.73 = 44,240.48/x - Step 3: Cross multiply
86,418.24x = 129,533.73 × 44,240.48 - Step 4: Simplify right side
86,418.24x = 5,730,634,312.42 - Step 5: Solve for x
x = 5,730,634,312.42/86,418.24 - Step 6: Final answer
x = 66,312.79
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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.