Finding the Fourth Proportional to 93,202.62, 128,621.07 and 50,761.11
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Solution
The fourth proportional to 93,202.62, 128,621.07 and 50,761.11 is: 70,051.12
Step by Step Solution
- Step 1: Write the proportion equation
93,202.62 : 128,621.07 = 50,761.11 : x - Step 2: Convert to fraction form
93,202.62/128,621.07 = 50,761.11/x - Step 3: Cross multiply
93,202.62x = 128,621.07 × 50,761.11 - Step 4: Simplify right side
93,202.62x = 6,528,948,282.59 - Step 5: Solve for x
x = 6,528,948,282.59/93,202.62 - Step 6: Final answer
x = 70,051.12
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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.