Finding the Fourth Proportional to 94,763.67, 130,773.81 and 54,485.31
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Solution
The fourth proportional to 94,763.67, 130,773.81 and 54,485.31 is: 75,189.70
Step by Step Solution
- Step 1: Write the proportion equation
94,763.67 : 130,773.81 = 54,485.31 : x - Step 2: Convert to fraction form
94,763.67/130,773.81 = 54,485.31/x - Step 3: Cross multiply
94,763.67x = 130,773.81 × 54,485.31 - Step 4: Simplify right side
94,763.67x = 7,125,251,577.73 - Step 5: Solve for x
x = 7,125,251,577.73/94,763.67 - Step 6: Final answer
x = 75,189.70
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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.