Finding the Fourth Proportional to 79,867.58, 110,252.69 and 51,587.06
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Solution
The fourth proportional to 79,867.58, 110,252.69 and 51,587.06 is: 71,213.02
Step by Step Solution
- Step 1: Write the proportion equation
79,867.58 : 110,252.69 = 51,587.06 : x - Step 2: Convert to fraction form
79,867.58/110,252.69 = 51,587.06/x - Step 3: Cross multiply
79,867.58x = 110,252.69 × 51,587.06 - Step 4: Simplify right side
79,867.58x = 5,687,611,324.99 - Step 5: Solve for x
x = 5,687,611,324.99/79,867.58 - Step 6: Final answer
x = 71,213.02
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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.