Finding the Fourth Proportional to 121,029.49, 167,009.00 and 70,032.07
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Solution
The fourth proportional to 121,029.49, 167,009.00 and 70,032.07 is: 96,637.48
Step by Step Solution
- Step 1: Write the proportion equation
121,029.49 : 167,009.00 = 70,032.07 : x - Step 2: Convert to fraction form
121,029.49/167,009.00 = 70,032.07/x - Step 3: Cross multiply
121,029.49x = 167,009.00 × 70,032.07 - Step 4: Simplify right side
121,029.49x = 11,695,984,793.42 - Step 5: Solve for x
x = 11,695,984,793.42/121,029.49 - Step 6: Final answer
x = 96,637.48
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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.