Finding the Fourth Proportional to 94,132.12, 129,903.22 and 51,691.54
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Solution
The fourth proportional to 94,132.12, 129,903.22 and 51,691.54 is: 71,334.82
Step by Step Solution
- Step 1: Write the proportion equation
94,132.12 : 129,903.22 = 51,691.54 : x - Step 2: Convert to fraction form
94,132.12/129,903.22 = 51,691.54/x - Step 3: Cross multiply
94,132.12x = 129,903.22 × 51,691.54 - Step 4: Simplify right side
94,132.12x = 6,714,897,297.23 - Step 5: Solve for x
x = 6,714,897,297.23/94,132.12 - Step 6: Final answer
x = 71,334.82
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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.