Finding the Fourth Proportional to 85,560.98, 118,072.08 and 47,319.53
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Solution
The fourth proportional to 85,560.98, 118,072.08 and 47,319.53 is: 65,299.80
Step by Step Solution
- Step 1: Write the proportion equation
85,560.98 : 118,072.08 = 47,319.53 : x - Step 2: Convert to fraction form
85,560.98/118,072.08 = 47,319.53/x - Step 3: Cross multiply
85,560.98x = 118,072.08 × 47,319.53 - Step 4: Simplify right side
85,560.98x = 5,587,114,741.36 - Step 5: Solve for x
x = 5,587,114,741.36/85,560.98 - Step 6: Final answer
x = 65,299.80
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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.