Finding the Fourth Proportional to 101,070.54, 151,638.62 and 48,484.14
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Solution
The fourth proportional to 101,070.54, 151,638.62 and 48,484.14 is: 72,741.95
Step by Step Solution
- Step 1: Write the proportion equation
101,070.54 : 151,638.62 = 48,484.14 : x - Step 2: Convert to fraction form
101,070.54/151,638.62 = 48,484.14/x - Step 3: Cross multiply
101,070.54x = 151,638.62 × 48,484.14 - Step 4: Simplify right side
101,070.54x = 7,352,067,839.07 - Step 5: Solve for x
x = 7,352,067,839.07/101,070.54 - Step 6: Final answer
x = 72,741.95
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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.