Finding the Fourth Proportional to 93,292.66, 128,740.08 and 50,850.28
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Solution
The fourth proportional to 93,292.66, 128,740.08 and 50,850.28 is: 70,171.32
Step by Step Solution
- Step 1: Write the proportion equation
93,292.66 : 128,740.08 = 50,850.28 : x - Step 2: Convert to fraction form
93,292.66/128,740.08 = 50,850.28/x - Step 3: Cross multiply
93,292.66x = 128,740.08 × 50,850.28 - Step 4: Simplify right side
93,292.66x = 6,546,469,115.22 - Step 5: Solve for x
x = 6,546,469,115.22/93,292.66 - Step 6: Final answer
x = 70,171.32
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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.