Finding the Fourth Proportional to 90,272.72, 124,567.67 and 53,966.99
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Solution
The fourth proportional to 90,272.72, 124,567.67 and 53,966.99 is: 74,469.26
Step by Step Solution
- Step 1: Write the proportion equation
90,272.72 : 124,567.67 = 53,966.99 : x - Step 2: Convert to fraction form
90,272.72/124,567.67 = 53,966.99/x - Step 3: Cross multiply
90,272.72x = 124,567.67 × 53,966.99 - Step 4: Simplify right side
90,272.72x = 6,722,542,647.55 - Step 5: Solve for x
x = 6,722,542,647.55/90,272.72 - Step 6: Final answer
x = 74,469.26
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1.5x scale
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.