Finding the Fourth Proportional to 73,652.80, 110,478.84 and 21,062.08
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Solution
The fourth proportional to 73,652.80, 110,478.84 and 21,062.08 is: 31,593.02
Step by Step Solution
- Step 1: Write the proportion equation
73,652.80 : 110,478.84 = 21,062.08 : x - Step 2: Convert to fraction form
73,652.80/110,478.84 = 21,062.08/x - Step 3: Cross multiply
73,652.80x = 110,478.84 × 21,062.08 - Step 4: Simplify right side
73,652.80x = 2,326,914,166.39 - Step 5: Solve for x
x = 2,326,914,166.39/73,652.80 - Step 6: Final answer
x = 31,593.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.