Finding the Fourth Proportional to 124,577.98, 171,921.62 and 70,861.62
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Solution
The fourth proportional to 124,577.98, 171,921.62 and 70,861.62 is: 97,791.32
Step by Step Solution
- Step 1: Write the proportion equation
124,577.98 : 171,921.62 = 70,861.62 : x - Step 2: Convert to fraction form
124,577.98/171,921.62 = 70,861.62/x - Step 3: Cross multiply
124,577.98x = 171,921.62 × 70,861.62 - Step 4: Simplify right side
124,577.98x = 12,182,644,506.22 - Step 5: Solve for x
x = 12,182,644,506.22/124,577.98 - Step 6: Final answer
x = 97,791.32
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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.