Finding the Fourth Proportional to 83,666.84, 125,467.46 and 30,346.12
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Solution
The fourth proportional to 83,666.84, 125,467.46 and 30,346.12 is: 45,507.28
Step by Step Solution
- Step 1: Write the proportion equation
83,666.84 : 125,467.46 = 30,346.12 : x - Step 2: Convert to fraction form
83,666.84/125,467.46 = 30,346.12/x - Step 3: Cross multiply
83,666.84x = 125,467.46 × 30,346.12 - Step 4: Simplify right side
83,666.84x = 3,807,450,597.26 - Step 5: Solve for x
x = 3,807,450,597.26/83,666.84 - Step 6: Final answer
x = 45,507.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.