Finding the Fourth Proportional to 86,211.24, 118,970.37 and 48,485.49
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Solution
The fourth proportional to 86,211.24, 118,970.37 and 48,485.49 is: 66,909.33
Step by Step Solution
- Step 1: Write the proportion equation
86,211.24 : 118,970.37 = 48,485.49 : x - Step 2: Convert to fraction form
86,211.24/118,970.37 = 48,485.49/x - Step 3: Cross multiply
86,211.24x = 118,970.37 × 48,485.49 - Step 4: Simplify right side
86,211.24x = 5,768,336,684.93 - Step 5: Solve for x
x = 5,768,336,684.93/86,211.24 - Step 6: Final answer
x = 66,909.33
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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.