Finding the Fourth Proportional to 74,302.49, 102,548.69 and 47,462.87
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Solution
The fourth proportional to 74,302.49, 102,548.69 and 47,462.87 is: 65,505.95
Step by Step Solution
- Step 1: Write the proportion equation
74,302.49 : 102,548.69 = 47,462.87 : x - Step 2: Convert to fraction form
74,302.49/102,548.69 = 47,462.87/x - Step 3: Cross multiply
74,302.49x = 102,548.69 × 47,462.87 - Step 4: Simplify right side
74,302.49x = 4,867,255,339.18 - Step 5: Solve for x
x = 4,867,255,339.18/74,302.49 - Step 6: Final answer
x = 65,505.95
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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.