Finding the Fourth Proportional to 93,202.12, 128,620.39 and 50,760.62
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Solution
The fourth proportional to 93,202.12, 128,620.39 and 50,760.62 is: 70,050.45
Step by Step Solution
- Step 1: Write the proportion equation
93,202.12 : 128,620.39 = 50,760.62 : x - Step 2: Convert to fraction form
93,202.12/128,620.39 = 50,760.62/x - Step 3: Cross multiply
93,202.12x = 128,620.39 × 50,760.62 - Step 4: Simplify right side
93,202.12x = 6,528,850,741.04 - Step 5: Solve for x
x = 6,528,850,741.04/93,202.12 - Step 6: Final answer
x = 70,050.45
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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.