Finding the Fourth Proportional to 74,322.01, 102,539.55 and 42,052.14
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Solution
The fourth proportional to 74,322.01, 102,539.55 and 42,052.14 is: 58,017.90
Step by Step Solution
- Step 1: Write the proportion equation
74,322.01 : 102,539.55 = 42,052.14 : x - Step 2: Convert to fraction form
74,322.01/102,539.55 = 42,052.14/x - Step 3: Cross multiply
74,322.01x = 102,539.55 × 42,052.14 - Step 4: Simplify right side
74,322.01x = 4,312,007,026.63 - Step 5: Solve for x
x = 4,312,007,026.63/74,322.01 - Step 6: Final answer
x = 58,017.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.