Finding the Fourth Proportional to 79,746.28, 110,052.36 and 45,760.99
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Solution
The fourth proportional to 79,746.28, 110,052.36 and 45,760.99 is: 63,151.59
Step by Step Solution
- Step 1: Write the proportion equation
79,746.28 : 110,052.36 = 45,760.99 : x - Step 2: Convert to fraction form
79,746.28/110,052.36 = 45,760.99/x - Step 3: Cross multiply
79,746.28x = 110,052.36 × 45,760.99 - Step 4: Simplify right side
79,746.28x = 5,036,104,947.12 - Step 5: Solve for x
x = 5,036,104,947.12/79,746.28 - Step 6: Final answer
x = 63,151.59
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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.