Finding the Fourth Proportional to 85,747.48, 118,328.34 and 47,504.68
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Solution
The fourth proportional to 85,747.48, 118,328.34 and 47,504.68 is: 65,554.70
Step by Step Solution
- Step 1: Write the proportion equation
85,747.48 : 118,328.34 = 47,504.68 : x - Step 2: Convert to fraction form
85,747.48/118,328.34 = 47,504.68/x - Step 3: Cross multiply
85,747.48x = 118,328.34 × 47,504.68 - Step 4: Simplify right side
85,747.48x = 5,621,149,926.63 - Step 5: Solve for x
x = 5,621,149,926.63/85,747.48 - Step 6: Final answer
x = 65,554.70
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1.5x scale
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.