Finding the Fourth Proportional to 75,506.74, 113,257.49 and 19,347.31
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Solution
The fourth proportional to 75,506.74, 113,257.49 and 19,347.31 is: 29,020.29
Step by Step Solution
- Step 1: Write the proportion equation
75,506.74 : 113,257.49 = 19,347.31 : x - Step 2: Convert to fraction form
75,506.74/113,257.49 = 19,347.31/x - Step 3: Cross multiply
75,506.74x = 113,257.49 × 19,347.31 - Step 4: Simplify right side
75,506.74x = 2,191,227,768.85 - Step 5: Solve for x
x = 2,191,227,768.85/75,506.74 - Step 6: Final answer
x = 29,020.29
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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.