Finding the Fourth Proportional to 97,091.21, 145,693.43 and 40,927.88
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Solution
The fourth proportional to 97,091.21, 145,693.43 and 40,927.88 is: 61,415.68
Step by Step Solution
- Step 1: Write the proportion equation
97,091.21 : 145,693.43 = 40,927.88 : x - Step 2: Convert to fraction form
97,091.21/145,693.43 = 40,927.88/x - Step 3: Cross multiply
97,091.21x = 145,693.43 × 40,927.88 - Step 4: Simplify right side
97,091.21x = 5,962,923,015.19 - Step 5: Solve for x
x = 5,962,923,015.19/97,091.21 - Step 6: Final answer
x = 61,415.68
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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.