Finding the Fourth Proportional to 121,029.24, 167,023.56 and 66,582.84
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Solution
The fourth proportional to 121,029.24, 167,023.56 and 66,582.84 is: 91,886.08
Step by Step Solution
- Step 1: Write the proportion equation
121,029.24 : 167,023.56 = 66,582.84 : x - Step 2: Convert to fraction form
121,029.24/167,023.56 = 66,582.84/x - Step 3: Cross multiply
121,029.24x = 167,023.56 × 66,582.84 - Step 4: Simplify right side
121,029.24x = 11,120,902,971.71 - Step 5: Solve for x
x = 11,120,902,971.71/121,029.24 - Step 6: Final answer
x = 91,886.08
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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.