Finding the Fourth Proportional to 73,959.97, 102,065.41 and 68,309.31
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Solution
The fourth proportional to 73,959.97, 102,065.41 and 68,309.31 is: 94,267.45
Step by Step Solution
- Step 1: Write the proportion equation
73,959.97 : 102,065.41 = 68,309.31 : x - Step 2: Convert to fraction form
73,959.97/102,065.41 = 68,309.31/x - Step 3: Cross multiply
73,959.97x = 102,065.41 × 68,309.31 - Step 4: Simplify right side
73,959.97x = 6,972,017,731.97 - Step 5: Solve for x
x = 6,972,017,731.97/73,959.97 - Step 6: Final answer
x = 94,267.45
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1.5x scale
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.