Finding the Fourth Proportional to 94,153.26, 129,874.44 and 55,887.58
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Solution
The fourth proportional to 94,153.26, 129,874.44 and 55,887.58 is: 77,090.99
Step by Step Solution
- Step 1: Write the proportion equation
94,153.26 : 129,874.44 = 55,887.58 : x - Step 2: Convert to fraction form
94,153.26/129,874.44 = 55,887.58/x - Step 3: Cross multiply
94,153.26x = 129,874.44 × 55,887.58 - Step 4: Simplify right side
94,153.26x = 7,258,368,155.46 - Step 5: Solve for x
x = 7,258,368,155.46/94,153.26 - Step 6: Final answer
x = 77,090.99
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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.