Finding the Fourth Proportional to 94,402.64, 130,207.28 and 64,135.10
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Solution
The fourth proportional to 94,402.64, 130,207.28 and 64,135.10 is: 88,459.99
Step by Step Solution
- Step 1: Write the proportion equation
94,402.64 : 130,207.28 = 64,135.10 : x - Step 2: Convert to fraction form
94,402.64/130,207.28 = 64,135.10/x - Step 3: Cross multiply
94,402.64x = 130,207.28 × 64,135.10 - Step 4: Simplify right side
94,402.64x = 8,350,856,923.53 - Step 5: Solve for x
x = 8,350,856,923.53/94,402.64 - Step 6: Final answer
x = 88,459.99
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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.