Finding the Fourth Proportional to 72,808.17, 100,506.27 and 48,948.68
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Solution
The fourth proportional to 72,808.17, 100,506.27 and 48,948.68 is: 67,570.02
Step by Step Solution
- Step 1: Write the proportion equation
72,808.17 : 100,506.27 = 48,948.68 : x - Step 2: Convert to fraction form
72,808.17/100,506.27 = 48,948.68/x - Step 3: Cross multiply
72,808.17x = 100,506.27 × 48,948.68 - Step 4: Simplify right side
72,808.17x = 4,919,649,248.22 - Step 5: Solve for x
x = 4,919,649,248.22/72,808.17 - Step 6: Final answer
x = 67,570.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.