Finding the Fourth Proportional to 75,126.60, 112,526.14 and 37,621.26
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Solution
The fourth proportional to 75,126.60, 112,526.14 and 37,621.26 is: 56,349.88
Step by Step Solution
- Step 1: Write the proportion equation
75,126.60 : 112,526.14 = 37,621.26 : x - Step 2: Convert to fraction form
75,126.60/112,526.14 = 37,621.26/x - Step 3: Cross multiply
75,126.60x = 112,526.14 × 37,621.26 - Step 4: Simplify right side
75,126.60x = 4,233,375,169.74 - Step 5: Solve for x
x = 4,233,375,169.74/75,126.60 - Step 6: Final answer
x = 56,349.88
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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.