Finding the Fourth Proportional to 83,338.56, 125,008.68 and 21,009.06
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Solution
The fourth proportional to 83,338.56, 125,008.68 and 21,009.06 is: 31,513.80
Step by Step Solution
- Step 1: Write the proportion equation
83,338.56 : 125,008.68 = 21,009.06 : x - Step 2: Convert to fraction form
83,338.56/125,008.68 = 21,009.06/x - Step 3: Cross multiply
83,338.56x = 125,008.68 × 21,009.06 - Step 4: Simplify right side
83,338.56x = 2,626,314,858.64 - Step 5: Solve for x
x = 2,626,314,858.64/83,338.56 - Step 6: Final answer
x = 31,513.80
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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.