Finding the Fourth Proportional to 117,624.24, 162,311.76 and 69,889.68
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Solution
The fourth proportional to 117,624.24, 162,311.76 and 69,889.68 is: 96,442.00
Step by Step Solution
- Step 1: Write the proportion equation
117,624.24 : 162,311.76 = 69,889.68 : x - Step 2: Convert to fraction form
117,624.24/162,311.76 = 69,889.68/x - Step 3: Cross multiply
117,624.24x = 162,311.76 × 69,889.68 - Step 4: Simplify right side
117,624.24x = 11,343,916,966.64 - Step 5: Solve for x
x = 11,343,916,966.64/117,624.24 - Step 6: Final answer
x = 96,442.00
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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.