Finding the Fourth Proportional to 88,502.21, 122,132.37 and 48,215.85
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Solution
The fourth proportional to 88,502.21, 122,132.37 and 48,215.85 is: 66,537.50
Step by Step Solution
- Step 1: Write the proportion equation
88,502.21 : 122,132.37 = 48,215.85 : x - Step 2: Convert to fraction form
88,502.21/122,132.37 = 48,215.85/x - Step 3: Cross multiply
88,502.21x = 122,132.37 × 48,215.85 - Step 4: Simplify right side
88,502.21x = 5,888,716,032.06 - Step 5: Solve for x
x = 5,888,716,032.06/88,502.21 - Step 6: Final answer
x = 66,537.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.