Finding the Fourth Proportional to 76,575.04, 105,653.58 and 44,725.84
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Solution
The fourth proportional to 76,575.04, 105,653.58 and 44,725.84 is: 61,709.99
Step by Step Solution
- Step 1: Write the proportion equation
76,575.04 : 105,653.58 = 44,725.84 : x - Step 2: Convert to fraction form
76,575.04/105,653.58 = 44,725.84/x - Step 3: Cross multiply
76,575.04x = 105,653.58 × 44,725.84 - Step 4: Simplify right side
76,575.04x = 4,725,445,114.51 - Step 5: Solve for x
x = 4,725,445,114.51/76,575.04 - Step 6: Final answer
x = 61,709.99
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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.