Finding the Fourth Proportional to 79,964.19, 110,351.95 and 51,719.08
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Solution
The fourth proportional to 79,964.19, 110,351.95 and 51,719.08 is: 71,373.22
Step by Step Solution
- Step 1: Write the proportion equation
79,964.19 : 110,351.95 = 51,719.08 : x - Step 2: Convert to fraction form
79,964.19/110,351.95 = 51,719.08/x - Step 3: Cross multiply
79,964.19x = 110,351.95 × 51,719.08 - Step 4: Simplify right side
79,964.19x = 5,707,301,330.21 - Step 5: Solve for x
x = 5,707,301,330.21/79,964.19 - Step 6: Final answer
x = 71,373.22
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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.