Finding the Fourth Proportional to 72,809.24, 100,495.74 and 44,538.62
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Solution
The fourth proportional to 72,809.24, 100,495.74 and 44,538.62 is: 61,474.91
Step by Step Solution
- Step 1: Write the proportion equation
72,809.24 : 100,495.74 = 44,538.62 : x - Step 2: Convert to fraction form
72,809.24/100,495.74 = 44,538.62/x - Step 3: Cross multiply
72,809.24x = 100,495.74 × 44,538.62 - Step 4: Simplify right side
72,809.24x = 4,475,941,575.48 - Step 5: Solve for x
x = 4,475,941,575.48/72,809.24 - Step 6: Final answer
x = 61,474.91
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1.5x scale
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.