Finding the Fourth Proportional to 121,030.43, 167,010.29 and 70,032.99
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Solution
The fourth proportional to 121,030.43, 167,010.29 and 70,032.99 is: 96,638.75
Step by Step Solution
- Step 1: Write the proportion equation
121,030.43 : 167,010.29 = 70,032.99 : x - Step 2: Convert to fraction form
121,030.43/167,010.29 = 70,032.99/x - Step 3: Cross multiply
121,030.43x = 167,010.29 × 70,032.99 - Step 4: Simplify right side
121,030.43x = 11,696,229,969.47 - Step 5: Solve for x
x = 11,696,229,969.47/121,030.43 - Step 6: Final answer
x = 96,638.75
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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.