Finding the Fourth Proportional to 97,099.21, 145,705.44 and 40,935.88
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Solution
The fourth proportional to 97,099.21, 145,705.44 and 40,935.88 is: 61,427.69
Step by Step Solution
- Step 1: Write the proportion equation
97,099.21 : 145,705.44 = 40,935.88 : x - Step 2: Convert to fraction form
97,099.21/145,705.44 = 40,935.88/x - Step 3: Cross multiply
97,099.21x = 145,705.44 × 40,935.88 - Step 4: Simplify right side
97,099.21x = 5,964,580,407.19 - Step 5: Solve for x
x = 5,964,580,407.19/97,099.21 - Step 6: Final answer
x = 61,427.69
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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.