Finding the Fourth Proportional to 73,873.80, 110,810.70 and 60,751.80
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Solution
The fourth proportional to 73,873.80, 110,810.70 and 60,751.80 is: 91,127.70
Step by Step Solution
- Step 1: Write the proportion equation
73,873.80 : 110,810.70 = 60,751.80 : x - Step 2: Convert to fraction form
73,873.80/110,810.70 = 60,751.80/x - Step 3: Cross multiply
73,873.80x = 110,810.70 × 60,751.80 - Step 4: Simplify right side
73,873.80x = 6,731,949,484.26 - Step 5: Solve for x
x = 6,731,949,484.26/73,873.80 - Step 6: Final answer
x = 91,127.70
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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.