Finding the Fourth Proportional to 96,451.76, 133,110.42 and 58,220.60
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Solution
The fourth proportional to 96,451.76, 133,110.42 and 58,220.60 is: 80,348.65
Step by Step Solution
- Step 1: Write the proportion equation
96,451.76 : 133,110.42 = 58,220.60 : x - Step 2: Convert to fraction form
96,451.76/133,110.42 = 58,220.60/x - Step 3: Cross multiply
96,451.76x = 133,110.42 × 58,220.60 - Step 4: Simplify right side
96,451.76x = 7,749,768,518.65 - Step 5: Solve for x
x = 7,749,768,518.65/96,451.76 - Step 6: Final answer
x = 80,348.65
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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.