Finding the Fourth Proportional to 94,532.26, 130,449.57 and 58,721.54
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Solution
The fourth proportional to 94,532.26, 130,449.57 and 58,721.54 is: 81,032.65
Step by Step Solution
- Step 1: Write the proportion equation
94,532.26 : 130,449.57 = 58,721.54 : x - Step 2: Convert to fraction form
94,532.26/130,449.57 = 58,721.54/x - Step 3: Cross multiply
94,532.26x = 130,449.57 × 58,721.54 - Step 4: Simplify right side
94,532.26x = 7,660,199,642.74 - Step 5: Solve for x
x = 7,660,199,642.74/94,532.26 - Step 6: Final answer
x = 81,032.65
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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.