Finding the Fourth Proportional to 94,842.99, 130,881.78 and 51,821.55
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Solution
The fourth proportional to 94,842.99, 130,881.78 and 51,821.55 is: 71,512.89
Step by Step Solution
- Step 1: Write the proportion equation
94,842.99 : 130,881.78 = 51,821.55 : x - Step 2: Convert to fraction form
94,842.99/130,881.78 = 51,821.55/x - Step 3: Cross multiply
94,842.99x = 130,881.78 × 51,821.55 - Step 4: Simplify right side
94,842.99x = 6,782,496,706.36 - Step 5: Solve for x
x = 6,782,496,706.36/94,842.99 - Step 6: Final answer
x = 71,512.89
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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.