Finding the Fourth Proportional to 73,800.70, 110,701.05 and 69,718.30
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Solution
The fourth proportional to 73,800.70, 110,701.05 and 69,718.30 is: 104,577.45
Step by Step Solution
- Step 1: Write the proportion equation
73,800.70 : 110,701.05 = 69,718.30 : x - Step 2: Convert to fraction form
73,800.70/110,701.05 = 69,718.30/x - Step 3: Cross multiply
73,800.70x = 110,701.05 × 69,718.30 - Step 4: Simplify right side
73,800.70x = 7,717,889,014.22 - Step 5: Solve for x
x = 7,717,889,014.22/73,800.70 - Step 6: Final answer
x = 104,577.45
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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.