Finding the Fourth Proportional to 85,962.70, 118,623.99 and 48,236.14
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Solution
The fourth proportional to 85,962.70, 118,623.99 and 48,236.14 is: 66,563.33
Step by Step Solution
- Step 1: Write the proportion equation
85,962.70 : 118,623.99 = 48,236.14 : x - Step 2: Convert to fraction form
85,962.70/118,623.99 = 48,236.14/x - Step 3: Cross multiply
85,962.70x = 118,623.99 × 48,236.14 - Step 4: Simplify right side
85,962.70x = 5,721,963,389.00 - Step 5: Solve for x
x = 5,721,963,389.00/85,962.70 - Step 6: Final answer
x = 66,563.33
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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.