Finding the Fourth Proportional to 89,073.36, 122,918.76 and 50,832.18
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Solution
The fourth proportional to 89,073.36, 122,918.76 and 50,832.18 is: 70,146.99
Step by Step Solution
- Step 1: Write the proportion equation
89,073.36 : 122,918.76 = 50,832.18 : x - Step 2: Convert to fraction form
89,073.36/122,918.76 = 50,832.18/x - Step 3: Cross multiply
89,073.36x = 122,918.76 × 50,832.18 - Step 4: Simplify right side
89,073.36x = 6,248,228,533.70 - Step 5: Solve for x
x = 6,248,228,533.70/89,073.36 - Step 6: Final answer
x = 70,146.99
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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.