Finding the Fourth Proportional to 75,683.84, 113,486.84 and 40,652.96
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Solution
The fourth proportional to 75,683.84, 113,486.84 and 40,652.96 is: 60,958.53
Step by Step Solution
- Step 1: Write the proportion equation
75,683.84 : 113,486.84 = 40,652.96 : x - Step 2: Convert to fraction form
75,683.84/113,486.84 = 40,652.96/x - Step 3: Cross multiply
75,683.84x = 113,486.84 × 40,652.96 - Step 4: Simplify right side
75,683.84x = 4,613,575,967.05 - Step 5: Solve for x
x = 4,613,575,967.05/75,683.84 - Step 6: Final answer
x = 60,958.53
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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.