Finding the Fourth Proportional to 74,361.62, 102,635.98 and 42,548.06
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Solution
The fourth proportional to 74,361.62, 102,635.98 and 42,548.06 is: 58,726.02
Step by Step Solution
- Step 1: Write the proportion equation
74,361.62 : 102,635.98 = 42,548.06 : x - Step 2: Convert to fraction form
74,361.62/102,635.98 = 42,548.06/x - Step 3: Cross multiply
74,361.62x = 102,635.98 × 42,548.06 - Step 4: Simplify right side
74,361.62x = 4,366,961,835.20 - Step 5: Solve for x
x = 4,366,961,835.20/74,361.62 - Step 6: Final answer
x = 58,726.02
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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.