Finding the Fourth Proportional to 115,803.41, 159,795.27 and 64,818.99
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Solution
The fourth proportional to 115,803.41, 159,795.27 and 64,818.99 is: 89,442.69
Step by Step Solution
- Step 1: Write the proportion equation
115,803.41 : 159,795.27 = 64,818.99 : x - Step 2: Convert to fraction form
115,803.41/159,795.27 = 64,818.99/x - Step 3: Cross multiply
115,803.41x = 159,795.27 × 64,818.99 - Step 4: Simplify right side
115,803.41x = 10,357,768,008.18 - Step 5: Solve for x
x = 10,357,768,008.18/115,803.41 - Step 6: Final answer
x = 89,442.69
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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.