Finding the Fourth Proportional to 87,031.18, 130,516.68 and 44,933.26
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Solution
The fourth proportional to 87,031.18, 130,516.68 and 44,933.26 is: 67,384.35
Step by Step Solution
- Step 1: Write the proportion equation
87,031.18 : 130,516.68 = 44,933.26 : x - Step 2: Convert to fraction form
87,031.18/130,516.68 = 44,933.26/x - Step 3: Cross multiply
87,031.18x = 130,516.68 × 44,933.26 - Step 4: Simplify right side
87,031.18x = 5,864,539,916.78 - Step 5: Solve for x
x = 5,864,539,916.78/87,031.18 - Step 6: Final answer
x = 67,384.35
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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.