Finding the Fourth Proportional to 73,555.47, 110,193.99 and 43,479.66
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Solution
The fourth proportional to 73,555.47, 110,193.99 and 43,479.66 is: 65,137.20
Step by Step Solution
- Step 1: Write the proportion equation
73,555.47 : 110,193.99 = 43,479.66 : x - Step 2: Convert to fraction form
73,555.47/110,193.99 = 43,479.66/x - Step 3: Cross multiply
73,555.47x = 110,193.99 × 43,479.66 - Step 4: Simplify right side
73,555.47x = 4,791,197,219.24 - Step 5: Solve for x
x = 4,791,197,219.24/73,555.47 - Step 6: Final answer
x = 65,137.20
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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.