Finding the Fourth Proportional to 81,597.96, 122,280.24 and 46,465.08
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Solution
The fourth proportional to 81,597.96, 122,280.24 and 46,465.08 is: 69,631.17
Step by Step Solution
- Step 1: Write the proportion equation
81,597.96 : 122,280.24 = 46,465.08 : x - Step 2: Convert to fraction form
81,597.96/122,280.24 = 46,465.08/x - Step 3: Cross multiply
81,597.96x = 122,280.24 × 46,465.08 - Step 4: Simplify right side
81,597.96x = 5,681,761,134.02 - Step 5: Solve for x
x = 5,681,761,134.02/81,597.96 - Step 6: Final answer
x = 69,631.17
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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.