Finding the Fourth Proportional to 94,765.14, 130,775.88 and 54,486.78
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Solution
The fourth proportional to 94,765.14, 130,775.88 and 54,486.78 is: 75,191.75
Step by Step Solution
- Step 1: Write the proportion equation
94,765.14 : 130,775.88 = 54,486.78 : x - Step 2: Convert to fraction form
94,765.14/130,775.88 = 54,486.78/x - Step 3: Cross multiply
94,765.14x = 130,775.88 × 54,486.78 - Step 4: Simplify right side
94,765.14x = 7,125,556,602.87 - Step 5: Solve for x
x = 7,125,556,602.87/94,765.14 - Step 6: Final answer
x = 75,191.75
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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.