Finding the Fourth Proportional to 83,720.78, 125,599.66 and 27,558.62
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Solution
The fourth proportional to 83,720.78, 125,599.66 and 27,558.62 is: 41,344.02
Step by Step Solution
- Step 1: Write the proportion equation
83,720.78 : 125,599.66 = 27,558.62 : x - Step 2: Convert to fraction form
83,720.78/125,599.66 = 27,558.62/x - Step 3: Cross multiply
83,720.78x = 125,599.66 × 27,558.62 - Step 4: Simplify right side
83,720.78x = 3,461,353,302.07 - Step 5: Solve for x
x = 3,461,353,302.07/83,720.78 - Step 6: Final answer
x = 41,344.02
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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.