Finding the Fourth Proportional to 69,031.74, 103,527.18 and 29,579.70
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Solution
The fourth proportional to 69,031.74, 103,527.18 and 29,579.70 is: 44,360.80
Step by Step Solution
- Step 1: Write the proportion equation
69,031.74 : 103,527.18 = 29,579.70 : x - Step 2: Convert to fraction form
69,031.74/103,527.18 = 29,579.70/x - Step 3: Cross multiply
69,031.74x = 103,527.18 × 29,579.70 - Step 4: Simplify right side
69,031.74x = 3,062,302,926.25 - Step 5: Solve for x
x = 3,062,302,926.25/69,031.74 - Step 6: Final answer
x = 44,360.80
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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.