Finding the Fourth Proportional to 74,282.04, 102,502.76 and 43,651.88
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Solution
The fourth proportional to 74,282.04, 102,502.76 and 43,651.88 is: 60,235.80
Step by Step Solution
- Step 1: Write the proportion equation
74,282.04 : 102,502.76 = 43,651.88 : x - Step 2: Convert to fraction form
74,282.04/102,502.76 = 43,651.88/x - Step 3: Cross multiply
74,282.04x = 102,502.76 × 43,651.88 - Step 4: Simplify right side
74,282.04x = 4,474,438,179.19 - Step 5: Solve for x
x = 4,474,438,179.19/74,282.04 - Step 6: Final answer
x = 60,235.80
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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.