Finding the Fourth Proportional to 94,689.28, 130,675.44 and 54,416.08
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Solution
The fourth proportional to 94,689.28, 130,675.44 and 54,416.08 is: 75,096.62
Step by Step Solution
- Step 1: Write the proportion equation
94,689.28 : 130,675.44 = 54,416.08 : x - Step 2: Convert to fraction form
94,689.28/130,675.44 = 54,416.08/x - Step 3: Cross multiply
94,689.28x = 130,675.44 × 54,416.08 - Step 4: Simplify right side
94,689.28x = 7,110,845,197.08 - Step 5: Solve for x
x = 7,110,845,197.08/94,689.28 - Step 6: Final answer
x = 75,096.62
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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.