Finding the Fourth Proportional to 79,911.24, 110,318.97 and 58,376.81
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Solution
The fourth proportional to 79,911.24, 110,318.97 and 58,376.81 is: 80,590.28
Step by Step Solution
- Step 1: Write the proportion equation
79,911.24 : 110,318.97 = 58,376.81 : x - Step 2: Convert to fraction form
79,911.24/110,318.97 = 58,376.81/x - Step 3: Cross multiply
79,911.24x = 110,318.97 × 58,376.81 - Step 4: Simplify right side
79,911.24x = 6,440,069,551.09 - Step 5: Solve for x
x = 6,440,069,551.09/79,911.24 - Step 6: Final answer
x = 80,590.28
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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.