Finding the Fourth Proportional to 73,809.60, 110,714.40 and 48,877.80
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Solution
The fourth proportional to 73,809.60, 110,714.40 and 48,877.80 is: 73,316.70
Step by Step Solution
- Step 1: Write the proportion equation
73,809.60 : 110,714.40 = 48,877.80 : x - Step 2: Convert to fraction form
73,809.60/110,714.40 = 48,877.80/x - Step 3: Cross multiply
73,809.60x = 110,714.40 × 48,877.80 - Step 4: Simplify right side
73,809.60x = 5,411,476,300.32 - Step 5: Solve for x
x = 5,411,476,300.32/73,809.60 - Step 6: Final answer
x = 73,316.70
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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.