Finding the Fourth Proportional to 88,306.68, 121,859.50 and 50,068.80
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Solution
The fourth proportional to 88,306.68, 121,859.50 and 50,068.80 is: 69,092.84
Step by Step Solution
- Step 1: Write the proportion equation
88,306.68 : 121,859.50 = 50,068.80 : x - Step 2: Convert to fraction form
88,306.68/121,859.50 = 50,068.80/x - Step 3: Cross multiply
88,306.68x = 121,859.50 × 50,068.80 - Step 4: Simplify right side
88,306.68x = 6,101,358,933.60 - Step 5: Solve for x
x = 6,101,358,933.60/88,306.68 - Step 6: Final answer
x = 69,092.84
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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.