Finding the Fourth Proportional to 87,537.48, 120,633.16 and 63,626.28
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Solution
The fourth proportional to 87,537.48, 120,633.16 and 63,626.28 is: 87,681.75
Step by Step Solution
- Step 1: Write the proportion equation
87,537.48 : 120,633.16 = 63,626.28 : x - Step 2: Convert to fraction form
87,537.48/120,633.16 = 63,626.28/x - Step 3: Cross multiply
87,537.48x = 120,633.16 × 63,626.28 - Step 4: Simplify right side
87,537.48x = 7,675,439,215.44 - Step 5: Solve for x
x = 7,675,439,215.44/87,537.48 - Step 6: Final answer
x = 87,681.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.