Finding the Fourth Proportional to 73,972.08, 102,092.04 and 42,143.92
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Solution
The fourth proportional to 73,972.08, 102,092.04 and 42,143.92 is: 58,164.63
Step by Step Solution
- Step 1: Write the proportion equation
73,972.08 : 102,092.04 = 42,143.92 : x - Step 2: Convert to fraction form
73,972.08/102,092.04 = 42,143.92/x - Step 3: Cross multiply
73,972.08x = 102,092.04 × 42,143.92 - Step 4: Simplify right side
73,972.08x = 4,302,558,766.40 - Step 5: Solve for x
x = 4,302,558,766.40/73,972.08 - Step 6: Final answer
x = 58,164.63
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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.