Finding the Fourth Proportional to 88,338.84, 121,864.68 and 52,503.50
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Solution
The fourth proportional to 88,338.84, 121,864.68 and 52,503.50 is: 72,429.32
Step by Step Solution
- Step 1: Write the proportion equation
88,338.84 : 121,864.68 = 52,503.50 : x - Step 2: Convert to fraction form
88,338.84/121,864.68 = 52,503.50/x - Step 3: Cross multiply
88,338.84x = 121,864.68 × 52,503.50 - Step 4: Simplify right side
88,338.84x = 6,398,322,226.38 - Step 5: Solve for x
x = 6,398,322,226.38/88,338.84 - Step 6: Final answer
x = 72,429.32
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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.