Finding the Fourth Proportional to 88,328.84, 121,894.68 and 48,043.54
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Solution
The fourth proportional to 88,328.84, 121,894.68 and 48,043.54 is: 66,300.56
Step by Step Solution
- Step 1: Write the proportion equation
88,328.84 : 121,894.68 = 48,043.54 : x - Step 2: Convert to fraction form
88,328.84/121,894.68 = 48,043.54/x - Step 3: Cross multiply
88,328.84x = 121,894.68 × 48,043.54 - Step 4: Simplify right side
88,328.84x = 5,856,251,934.37 - Step 5: Solve for x
x = 5,856,251,934.37/88,328.84 - Step 6: Final answer
x = 66,300.56
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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.