Finding the Fourth Proportional to 75,758.19, 113,653.69 and 29,011.07
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Solution
The fourth proportional to 75,758.19, 113,653.69 and 29,011.07 is: 43,522.88
Step by Step Solution
- Step 1: Write the proportion equation
75,758.19 : 113,653.69 = 29,011.07 : x - Step 2: Convert to fraction form
75,758.19/113,653.69 = 29,011.07/x - Step 3: Cross multiply
75,758.19x = 113,653.69 × 29,011.07 - Step 4: Simplify right side
75,758.19x = 3,297,214,588.08 - Step 5: Solve for x
x = 3,297,214,588.08/75,758.19 - Step 6: Final answer
x = 43,522.88
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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.