Finding the Fourth Proportional to 73,616.20, 110,424.30 and 65,159.80
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Solution
The fourth proportional to 73,616.20, 110,424.30 and 65,159.80 is: 97,739.70
Step by Step Solution
- Step 1: Write the proportion equation
73,616.20 : 110,424.30 = 65,159.80 : x - Step 2: Convert to fraction form
73,616.20/110,424.30 = 65,159.80/x - Step 3: Cross multiply
73,616.20x = 110,424.30 × 65,159.80 - Step 4: Simplify right side
73,616.20x = 7,195,225,303.14 - Step 5: Solve for x
x = 7,195,225,303.14/73,616.20 - Step 6: Final answer
x = 97,739.70
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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.