Finding the Fourth Proportional to 73,393.80, 110,090.70 and 48,769.80
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Solution
The fourth proportional to 73,393.80, 110,090.70 and 48,769.80 is: 73,154.70
Step by Step Solution
- Step 1: Write the proportion equation
73,393.80 : 110,090.70 = 48,769.80 : x - Step 2: Convert to fraction form
73,393.80/110,090.70 = 48,769.80/x - Step 3: Cross multiply
73,393.80x = 110,090.70 × 48,769.80 - Step 4: Simplify right side
73,393.80x = 5,369,101,420.86 - Step 5: Solve for x
x = 5,369,101,420.86/73,393.80 - Step 6: Final answer
x = 73,154.70
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1.5x scale
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.