Finding the Fourth Proportional to 90,201.26, 124,502.76 and 52,482.80
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Solution
The fourth proportional to 90,201.26, 124,502.76 and 52,482.80 is: 72,440.82
Step by Step Solution
- Step 1: Write the proportion equation
90,201.26 : 124,502.76 = 52,482.80 : x - Step 2: Convert to fraction form
90,201.26/124,502.76 = 52,482.80/x - Step 3: Cross multiply
90,201.26x = 124,502.76 × 52,482.80 - Step 4: Simplify right side
90,201.26x = 6,534,253,452.53 - Step 5: Solve for x
x = 6,534,253,452.53/90,201.26 - Step 6: Final answer
x = 72,440.82
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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.