Finding the Fourth Proportional to 85,536.24, 128,272.46 and 29,360.42
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Solution
The fourth proportional to 85,536.24, 128,272.46 and 29,360.42 is: 44,029.68
Step by Step Solution
- Step 1: Write the proportion equation
85,536.24 : 128,272.46 = 29,360.42 : x - Step 2: Convert to fraction form
85,536.24/128,272.46 = 29,360.42/x - Step 3: Cross multiply
85,536.24x = 128,272.46 × 29,360.42 - Step 4: Simplify right side
85,536.24x = 3,766,133,300.03 - Step 5: Solve for x
x = 3,766,133,300.03/85,536.24 - Step 6: Final answer
x = 44,029.68
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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.