Finding the Fourth Proportional to 75,794.84, 113,725.08 and 40,693.52
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Solution
The fourth proportional to 75,794.84, 113,725.08 and 40,693.52 is: 61,057.90
Step by Step Solution
- Step 1: Write the proportion equation
75,794.84 : 113,725.08 = 40,693.52 : x - Step 2: Convert to fraction form
75,794.84/113,725.08 = 40,693.52/x - Step 3: Cross multiply
75,794.84x = 113,725.08 × 40,693.52 - Step 4: Simplify right side
75,794.84x = 4,627,873,817.48 - Step 5: Solve for x
x = 4,627,873,817.48/75,794.84 - Step 6: Final answer
x = 61,057.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.