Finding the Fourth Proportional to 83,513.98, 125,211.48 and 39,116.44
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Solution
The fourth proportional to 83,513.98, 125,211.48 and 39,116.44 is: 58,646.80
Step by Step Solution
- Step 1: Write the proportion equation
83,513.98 : 125,211.48 = 39,116.44 : x - Step 2: Convert to fraction form
83,513.98/125,211.48 = 39,116.44/x - Step 3: Cross multiply
83,513.98x = 125,211.48 × 39,116.44 - Step 4: Simplify right side
83,513.98x = 4,897,827,344.73 - Step 5: Solve for x
x = 4,897,827,344.73/83,513.98 - Step 6: Final answer
x = 58,646.80
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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.