Finding the Fourth Proportional to 94,719.36, 130,689.06 and 54,444.60
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Solution
The fourth proportional to 94,719.36, 130,689.06 and 54,444.60 is: 75,119.95
Step by Step Solution
- Step 1: Write the proportion equation
94,719.36 : 130,689.06 = 54,444.60 : x - Step 2: Convert to fraction form
94,719.36/130,689.06 = 54,444.60/x - Step 3: Cross multiply
94,719.36x = 130,689.06 × 54,444.60 - Step 4: Simplify right side
94,719.36x = 7,115,313,596.08 - Step 5: Solve for x
x = 7,115,313,596.08/94,719.36 - Step 6: Final answer
x = 75,119.95
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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.