Finding the Fourth Proportional to 85,722.08, 118,296.84 and 47,480.80
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Solution
The fourth proportional to 85,722.08, 118,296.84 and 47,480.80 is: 65,523.71
Step by Step Solution
- Step 1: Write the proportion equation
85,722.08 : 118,296.84 = 47,480.80 : x - Step 2: Convert to fraction form
85,722.08/118,296.84 = 47,480.80/x - Step 3: Cross multiply
85,722.08x = 118,296.84 × 47,480.80 - Step 4: Simplify right side
85,722.08x = 5,616,828,600.67 - Step 5: Solve for x
x = 5,616,828,600.67/85,722.08 - Step 6: Final answer
x = 65,523.71
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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.