Finding the Fourth Proportional to 93,079.26, 128,447.60 and 51,684.84
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Solution
The fourth proportional to 93,079.26, 128,447.60 and 51,684.84 is: 71,324.09
Step by Step Solution
- Step 1: Write the proportion equation
93,079.26 : 128,447.60 = 51,684.84 : x - Step 2: Convert to fraction form
93,079.26/128,447.60 = 51,684.84/x - Step 3: Cross multiply
93,079.26x = 128,447.60 × 51,684.84 - Step 4: Simplify right side
93,079.26x = 6,638,793,395.96 - Step 5: Solve for x
x = 6,638,793,395.96/93,079.26 - Step 6: Final answer
x = 71,324.09
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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.