Finding the Fourth Proportional to 73,800.90, 110,701.35 and 48,869.10
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Solution
The fourth proportional to 73,800.90, 110,701.35 and 48,869.10 is: 73,303.65
Step by Step Solution
- Step 1: Write the proportion equation
73,800.90 : 110,701.35 = 48,869.10 : x - Step 2: Convert to fraction form
73,800.90/110,701.35 = 48,869.10/x - Step 3: Cross multiply
73,800.90x = 110,701.35 × 48,869.10 - Step 4: Simplify right side
73,800.90x = 5,409,875,343.29 - Step 5: Solve for x
x = 5,409,875,343.29/73,800.90 - Step 6: Final answer
x = 73,303.65
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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.