Finding the Fourth Proportional to 97,313.90, 134,291.39 and 54,872.46
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Solution
The fourth proportional to 97,313.90, 134,291.39 and 54,872.46 is: 75,722.99
Step by Step Solution
- Step 1: Write the proportion equation
97,313.90 : 134,291.39 = 54,872.46 : x - Step 2: Convert to fraction form
97,313.90/134,291.39 = 54,872.46/x - Step 3: Cross multiply
97,313.90x = 134,291.39 × 54,872.46 - Step 4: Simplify right side
97,313.90x = 7,368,898,651.76 - Step 5: Solve for x
x = 7,368,898,651.76/97,313.90 - Step 6: Final answer
x = 75,722.99
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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.