Finding the Fourth Proportional to 85,112.08, 117,201.06 and 83,223.88
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Solution
The fourth proportional to 85,112.08, 117,201.06 and 83,223.88 is: 114,600.97
Step by Step Solution
- Step 1: Write the proportion equation
85,112.08 : 117,201.06 = 83,223.88 : x - Step 2: Convert to fraction form
85,112.08/117,201.06 = 83,223.88/x - Step 3: Cross multiply
85,112.08x = 117,201.06 × 83,223.88 - Step 4: Simplify right side
85,112.08x = 9,753,926,953.31 - Step 5: Solve for x
x = 9,753,926,953.31/85,112.08 - Step 6: Final answer
x = 114,600.97
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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.