Finding the Fourth Proportional to 69,451.56, 104,158.44 and 19,528.56
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Solution
The fourth proportional to 69,451.56, 104,158.44 and 19,528.56 is: 29,287.53
Step by Step Solution
- Step 1: Write the proportion equation
69,451.56 : 104,158.44 = 19,528.56 : x - Step 2: Convert to fraction form
69,451.56/104,158.44 = 19,528.56/x - Step 3: Cross multiply
69,451.56x = 104,158.44 × 19,528.56 - Step 4: Simplify right side
69,451.56x = 2,034,064,345.05 - Step 5: Solve for x
x = 2,034,064,345.05/69,451.56 - Step 6: Final answer
x = 29,287.53
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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.