Finding the Fourth Proportional to 71,119.41, 106,683.21 and 26,746.53
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Solution
The fourth proportional to 71,119.41, 106,683.21 and 26,746.53 is: 40,121.34
Step by Step Solution
- Step 1: Write the proportion equation
71,119.41 : 106,683.21 = 26,746.53 : x - Step 2: Convert to fraction form
71,119.41/106,683.21 = 26,746.53/x - Step 3: Cross multiply
71,119.41x = 106,683.21 × 26,746.53 - Step 4: Simplify right side
71,119.41x = 2,853,405,676.76 - Step 5: Solve for x
x = 2,853,405,676.76/71,119.41 - Step 6: Final answer
x = 40,121.34
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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.