Finding the Fourth Proportional to 107,646.64, 161,468.28 and 48,440.50
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Solution
The fourth proportional to 107,646.64, 161,468.28 and 48,440.50 is: 72,659.99
Step by Step Solution
- Step 1: Write the proportion equation
107,646.64 : 161,468.28 = 48,440.50 : x - Step 2: Convert to fraction form
107,646.64/161,468.28 = 48,440.50/x - Step 3: Cross multiply
107,646.64x = 161,468.28 × 48,440.50 - Step 4: Simplify right side
107,646.64x = 7,821,604,217.34 - Step 5: Solve for x
x = 7,821,604,217.34/107,646.64 - Step 6: Final answer
x = 72,659.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.