Finding the Fourth Proportional to 88,340.58, 121,908.81 and 48,053.49
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Solution
The fourth proportional to 88,340.58, 121,908.81 and 48,053.49 is: 66,313.17
Step by Step Solution
- Step 1: Write the proportion equation
88,340.58 : 121,908.81 = 48,053.49 : x - Step 2: Convert to fraction form
88,340.58/121,908.81 = 48,053.49/x - Step 3: Cross multiply
88,340.58x = 121,908.81 × 48,053.49 - Step 4: Simplify right side
88,340.58x = 5,858,143,782.25 - Step 5: Solve for x
x = 5,858,143,782.25/88,340.58 - Step 6: Final answer
x = 66,313.17
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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.