Finding the Fourth Proportional to 66,663.68, 100,023.52 and 29,204.48
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Solution
The fourth proportional to 66,663.68, 100,023.52 and 29,204.48 is: 43,818.99
Step by Step Solution
- Step 1: Write the proportion equation
66,663.68 : 100,023.52 = 29,204.48 : x - Step 2: Convert to fraction form
66,663.68/100,023.52 = 29,204.48/x - Step 3: Cross multiply
66,663.68x = 100,023.52 × 29,204.48 - Step 4: Simplify right side
66,663.68x = 2,921,134,889.37 - Step 5: Solve for x
x = 2,921,134,889.37/66,663.68 - Step 6: Final answer
x = 43,818.99
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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.