Finding the Fourth Proportional to 97,098.96, 145,705.05 and 40,935.63
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Solution
The fourth proportional to 97,098.96, 145,705.05 and 40,935.63 is: 61,427.31
Step by Step Solution
- Step 1: Write the proportion equation
97,098.96 : 145,705.05 = 40,935.63 : x - Step 2: Convert to fraction form
97,098.96/145,705.05 = 40,935.63/x - Step 3: Cross multiply
97,098.96x = 145,705.05 × 40,935.63 - Step 4: Simplify right side
97,098.96x = 5,964,528,015.93 - Step 5: Solve for x
x = 5,964,528,015.93/97,098.96 - Step 6: Final answer
x = 61,427.31
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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.