Finding the Fourth Proportional to 80,802.97, 121,204.49 and 38,673.14
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Solution
The fourth proportional to 80,802.97, 121,204.49 and 38,673.14 is: 58,009.72
Step by Step Solution
- Step 1: Write the proportion equation
80,802.97 : 121,204.49 = 38,673.14 : x - Step 2: Convert to fraction form
80,802.97/121,204.49 = 38,673.14/x - Step 3: Cross multiply
80,802.97x = 121,204.49 × 38,673.14 - Step 4: Simplify right side
80,802.97x = 4,687,357,411.01 - Step 5: Solve for x
x = 4,687,357,411.01/80,802.97 - Step 6: Final answer
x = 58,009.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.