Finding the Fourth Proportional to 110,680.74, 152,738.71 and 62,934.09
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Solution
The fourth proportional to 110,680.74, 152,738.71 and 62,934.09 is: 86,848.63
Step by Step Solution
- Step 1: Write the proportion equation
110,680.74 : 152,738.71 = 62,934.09 : x - Step 2: Convert to fraction form
110,680.74/152,738.71 = 62,934.09/x - Step 3: Cross multiply
110,680.74x = 152,738.71 × 62,934.09 - Step 4: Simplify right side
110,680.74x = 9,612,471,109.52 - Step 5: Solve for x
x = 9,612,471,109.52/110,680.74 - Step 6: Final answer
x = 86,848.63
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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.